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Papers authored by Sypsa V

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Seroepidemiology of human herpesvirus 8 (HHV-8) infection in injecting drug users.

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Zavitsanou A, Malliori M, Sypsa V, Petrodaskalaki M, Psichogiou M, Rokka C, Giannopoulos A, Kalapothaki V, Whitby D, and Hatzakis A

Epidemiology and infection 138(3):403-8, 2010 Mar - Who cited this? | PubMed ID: 19698211 | Fulltext

The vaccination campaign against 2009 pandemic influenza A(H1N1) and its continued importance in view of the uncertainty surrounding the risk associated with the pandemic.

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Tsiodras S, Sypsa V, and Hatzakis A

Euro surveillance : bulletin europeen sur les maladies transmissibles = European communicable disease bulletin 15(3), 2010 - Who cited this? | PubMed ID: 20122377 | Fulltext

Prevalence of different HPV types and estimation of prognostic risk factors based on the linear array HPV genotyping test.

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Papachristou E, Sypsa V, Paraskevis D, Gkekas A, Politi E, Nicolaidou E, Anifantis I, Psichogiou M, Tsitsika A, Hadjivassiliou M, Petrikkos G, Katsambas A, Creatsas G, and Hatzakis A

Journal of medical virology 81(12):2059-65, 2009 Dec - Who cited this? | PubMed ID: 19856480 | Fulltext

Quantitative detection of the M204V hepatitis B virus minor variants by amplification refractory mutation system real-time PCR combined with molecular beacon technology.

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Ntziora F, Paraskevis D, Haida C, Magiorkinis E, Manesis E, Papatheodoridis G, Manolakopoulos S, Beloukas A, Chryssoy S, Magiorkinis G, Sypsa V, and Hatzakis A

Journal of clinical microbiology 47(8):2544-50, 2009 Aug - Who cited this? | PubMed ID: 19553583 | Fulltext

Development and assessment of a multiplex real-time PCR assay for quantification of human immunodeficiency virus type 1 DNA.

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Beloukas A, Paraskevis D, Haida C, Sypsa V, and Hatzakis A

Journal of clinical microbiology 47(7):2194-9, 2009 Jul - Who cited this? | PubMed ID: 19420173 | Fulltext

Impact of Hepatitis B Virus Infection on the Progression of AIDS and Mortality in HIV-Infected Individuals: A Cohort Study and Meta-Analysis.

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Nikolopoulos GK, Paraskevis D, Hatzitheodorou E, Moschidis Z, Sypsa V, Zavitsanos X, Kalapothaki V, and Hatzakis A

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 48(12):1763-71, 2009 Jun 15 - Who cited this? | PubMed ID: 19435436 | Fulltext

Sun exposure behavior and protection practices in a Mediterranean population: a questionnaire-based study.

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Nikolaou V, Stratigos AJ, Antoniou C, Sypsa V, Avgerinou G, Danopoulou I, Nicolaidou E, and Katsambas AD

Photodermatology, photoimmunology & photomedicine 25(3):132-7, 2009 Jun - Who cited this? | PubMed ID: 19438991 | Fulltext

A study of a single variant allele (rs1426654) of the pigmentation-related gene SLC24A5 in Greek subjects.

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Dimisianos G, Stefanaki I, Nicolaou V, Sypsa V, Antoniou C, Poulou M, Papadopoulos O, Gogas H, Kanavakis E, Nicolaidou E, Katsambas AD, and Stratigos AJ

Experimental dermatology 18(2):175-7, 2009 Feb - Who cited this? | PubMed ID: 18637132 | Fulltext

School closure is currently the main strategy to mitigate influenza A(H1N1)v: a modeling study.

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Sypsa V and Hatzakis A

Euro surveillance : bulletin europeen sur les maladies transmissibles = European communicable disease bulletin 14(24), 2009 - Who cited this? | PubMed ID: 19555599 | Fulltext

Assessing the impact of biomedical research in academic institutions of disparate sizes.

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Sypsa V and Hatzakis A

BMC medical research methodology 9:33, 2009 - Who cited this? | PubMed ID: 19480665 | Fulltext

Early hCG addition to rFSH for ovarian stimulation in IVF provides better results and the cDNA copies of the hCG receptor may be an indicator of successful stimulation.

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Drakakis P, Loutradis D, Beloukas A, Sypsa V, Anastasiadou V, Kalofolias G, Arabatzi H, Kiapekou E, Stefanidis K, Paraskevis D, Makrigiannakis A, Hatzakis A, and Antsaklis A

Reproductive biology and endocrinology : RB&E 7:110, 2009 - Who cited this? | PubMed ID: 19825188 | Fulltext

Use of an inactivated vaccine in mitigating pandemic influenza A(H1N1) spread: a modelling study to assess the impact of vaccination timing and prioritisation strategies.

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Sypsa V, Pavlopoulou I, and Hatzakis A

Euro surveillance : bulletin europeen sur les maladies transmissibles = European communicable disease bulletin 14(41), 2009 - Who cited this? | PubMed ID: 19883541 | Fulltext

Public perceptions in relation to intention to receive pandemic influenza vaccination in a random population sample: evidence from a cross-sectional telephone survey.

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Sypsa V, Livanios T, Psichogiou M, Malliori M, Tsiodras S, Nikolakopoulos I, and Hatzakis A

Euro surveillance : bulletin europeen sur les maladies transmissibles = European communicable disease bulletin 14(49), 2009 - Who cited this? | PubMed ID: 20003909 | Fulltext

Modelling of viral dynamics in hepatitis B and hepatitis C clinical trials.

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Sypsa V and Hatzakis A

Statistics in medicine, 2008 Oct 24 - Who cited this? | PubMed ID: 18951370 | Fulltext

Risk associations of melanoma in a Southern European population: results of a case/control study.

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Nikolaou VA, Sypsa V, Stefanaki I, Gogas H, Papadopoulos O, Polydorou D, Plaka M, Tsoutsos D, Dimou A, Mourtzoukou E, Korfitis V, Hatziolou E, Antoniou C, Hatzakis A, Katsambas A, and Stratigos AJ

Cancer causes & control : CCC 19(7):671-9, 2008 Sep - Who cited this? | PubMed ID: 18307049 | Fulltext

Seasonal pattern of the diagnosis of cutaneous melanoma: a hospital-based study in a Mediterranean country.

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Nikolaou V, Stratigos AJ, Antoniou C, Sypsa V, Stefanaki I, Papadopoulos O, Danopoulou I, Hampsas G, Plaka M, Polydorou D, and Katsambas AD

International journal of dermatology 46(11):1136-40, 2007 Nov - Who cited this? | PubMed ID: 17988331 | Fulltext

Increasing prevalence of HIV-1 subtype A in Greece: estimating epidemic history and origin.

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Paraskevis D, Magiorkinis E, Magiorkinis G, Sypsa V, Paparizos V, Lazanas M, Gargalianos P, Antoniadou A, Panos G, Chrysos G, Sambatakou H, Karafoulidou A, Skoutelis A, Kordossis T, Koratzanis G, Theodoridou M,

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The Journal of infectious diseases 196(8):1167-76, 2007 Oct 15 - Who cited this? | PubMed ID: 17955435 | Fulltext

The effectiveness of a 9-month regimen of isoniazid alone versus 3- and 4-month regimens of isoniazid plus rifampin for treatment of latent tuberculosis infection in children: results of an 11-year randomized study.

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Spyridis NP, Spyridis PG, Gelesme A, Sypsa V, Valianatou M, Metsou F, Gourgiotis D, and Tsolia MN

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 45(6):715-22, 2007 Sep 15 - Who cited this? | PubMed ID: 17712755 | Fulltext

Human herpesvirus 8 (HHV-8) infection in healthy urban employees from Greece: seroprevalence and associated factors.

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Zavitsanou A, Sypsa V, Petrodaskalaki M, Kalapothaki V, Whitby D, and Hatzakis A

Journal of medical virology 79(5):591-6, 2007 May - Who cited this? | PubMed ID: 17385692 | Fulltext

Analytical and clinical sensitivity of the Procleix Ultrio HIV-1/HCV/HBV assay in samples with a low viral load.

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Katsoulidou A, Moschidis Z, Sypsa V, Chini M, Papatheodoridis GV, Tassopoulos NC, Mimidis K, Karafoulidou A, and Hatzakis A

Vox sanguinis 92(1):8-14, 2007 Jan - Who cited this? | PubMed ID: 17181585 | Fulltext

Melanocortin receptor-1 gene polymorphisms and the risk of cutaneous melanoma in a low-risk southern European population.

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Stratigos AJ, Dimisianos G, Nikolaou V, Poulou M, Sypsa V, Stefanaki I, Papadopoulos O, Polydorou D, Plaka M, Christofidou E, Gogas H, Tsoutsos D, Kastana O, Antoniou C, Hatzakis A, Kanavakis E,

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The Journal of investigative dermatology 126(8):1842, 2006 Aug - Who cited this? | PubMed ID: 16601669 | Fulltext

Evaluation of the clinical sensitivity for the quantification of human immunodeficiency virus type 1 RNA in plasma: Comparison of the new COBAS TaqMan HIV-1 with three current HIV-RNA assays--LCx HIV RNA quantitative, VERSANT HIV-1 RNA 3.0 (bDNA) and COBAS AMPLICOR HIV-1 Monitor v1.5.

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Katsoulidou A, Petrodaskalaki M, Sypsa V, Papachristou E, Anastassopoulou CG, Gargalianos P, Karafoulidou A, Lazanas M, Kordossis T, Andoniadou A, and Hatzakis A

Journal of virological methods 131(2):168-74, 2006 Feb - Who cited this? | PubMed ID: 16194575 | Fulltext

The course of hepatitis C virus infection in pretransplantation anti-hepatitis C virus-negative renal transplant recipients: a retrospective follow-up study.

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Delladetsima I, Psichogiou M, Sypsa V, Psimenou E, Kostakis A, Hatzakis A, and Boletis JN

American journal of kidney diseases : the official journal of the National Kidney Foundation 47(2):309-16, 2006 Feb - Who cited this? | PubMed ID: 16431260 | Fulltext

Molecular epidemiology of hepatitis C virus (HCV) in Greece: temporal trends in HCV genotype-specific incidence and molecular characterization of genotype 4 isolates.

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Katsoulidou A, Sypsa V, Tassopoulos NC, Boletis J, Karafoulidou A, Ketikoglou I, Tsantoulas D, Vafiadi I, Hatzis G, Skoutelis A, Akriviadis E, Vasiliadis T, Kitis G, Magiorkinis G, and Hatzakis A

Journal of viral hepatitis 13(1):19-27, 2006 Jan - Who cited this? | PubMed ID: 16364078 | Fulltext

Human herpesvirus 8 infection in hemodialysis patients.

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Zavitsanou A, Sypsa V, Petrodaskalaki M, Psichogiou M, Katsoulidou A, Boletis J, Hadjiconstantinou V, Karalis D, Kalapothaki V, and Hatzakis A

American journal of kidney diseases : the official journal of the National Kidney Foundation 47(1):167-70, 2006 Jan - Who cited this? | PubMed ID: 16377398 | Fulltext

Prevalence of resistance-associated mutations in newly diagnosed HIV-1 patients in Greece.

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Paraskevis D, Magiorkinis E, Katsoulidou A, Hatzitheodorou E, Antoniadou A, Papadopoulos A, Poulakou G, Paparizos V, Botsi C, Stavrianeas N, Lelekis M, Chini M, Gargalianos P, Magafas N, Lazanas M, Chryssos G,

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Virus research 112(1-2):115-22, 2005 Sep - Who cited this? | PubMed ID: 16022906 | Fulltext

Future trends of HCV-related cirrhosis and hepatocellular carcinoma under the currently available treatments.

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Sypsa V, Touloumi G, Papatheodoridis GV, Tassopoulos NC, Ketikoglou I, Vafiadis I, Hatzis G, Tsantoulas D, Akriviadis E, Koutsounas S, and Hatzakis A

Journal of viral hepatitis 12(5):543-50, 2005 Sep - Who cited this? | PubMed ID: 16108772 | Fulltext

A viral kinetic study using pegylated interferon alfa-2b and/or lamivudine in patients with chronic hepatitis B/HBeAg negative.

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Sypsa VA, Mimidis K, Tassopoulos NC, Chrysagis D, Vassiliadis T, Moulakakis A, Raptopoulou M, Haida C, and Hatzakis A

Hepatology (Baltimore, Md.) 42(1):77-85, 2005 Jul - Who cited this? | PubMed ID: 15962284 | Fulltext

Incidence and patterns of hepatitis C virus seroconversion in a cohort of hemodialysis patients.

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Sypsa V, Psichogiou M, Katsoulidou A, Skoutelis G, Moutafis S, Hadjiconstantinou V, Kakavas J, Kalapothaki V, Boletis J, and Hatzakis A

American journal of kidney diseases : the official journal of the National Kidney Foundation 45(2):334-43, 2005 Feb - Who cited this? | PubMed ID: 15685512 | Fulltext

Comparison of three current viral load assays for the quantitation of human immunodeficiency virus type 1 RNA in plasma.

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Katsoulidou A, Papachristou E, Petrodaskalaki M, Sypsa V, Anastassopoulou CG, Gargalianos P, Karafoulidou A, Lazanas M, Kordossis T, Andoniadou A, and Hatzakis A

Journal of virological methods 121(1):93-9, 2004 Oct - Who cited this? | PubMed ID: 15350738 | Fulltext

Reconstructing and predicting the hepatitis C virus epidemic in Greece: increasing trends of cirrhosis and hepatocellular carcinoma despite the decline in incidence of HCV infection.

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Sypsa V, Touloumi G, Tassopoulos NC, Ketikoglou I, Vafiadis I, Hatzis G, Tsantoulas D, Akriviadis E, Delladetsima J, Demonakou M, and Hatzakis A

Journal of viral hepatitis 11(4):366-74, 2004 Jul - Who cited this? | PubMed ID: 15230860 | Fulltext

Clinical evaluation of an HIV-1 and HCV assay and demonstration of significant reduction of the HCV detection window before seroconversion.

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Katsoulidou AS, Moschidis ZM, Gialeraki RE, Paraskevis DN, Sypsa VA, Lazanas MC, Tassopoulos NC, Psichogiou MA, Boletis JN, Karafoulidou AS, and Hatzakis AE

Transfusion 44(1):59-66, 2004 Jan - Who cited this? | PubMed ID: 14692968 | Fulltext

In vivo characteristics of human immunodeficiency virus type 1 intersubtype recombination: determination of hot spots and correlation with sequence similarity.

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Magiorkinis G, Paraskevis D, Vandamme AM, Magiorkinis E, Sypsa V, and Hatzakis A

The Journal of general virology 84(Pt 10):2715-22, 2003 Oct - Who cited this? | PubMed ID: 13679605 | Fulltext

A randomized trial to assess the efficacy of interferon-alpha daily in combination with ribavirin in the treatment of naïve patients with chronic hepatitis C.

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Tassopoulos NC, Ketikoglou I, Tsantoulas D, Raptopoulou M, Hatzis G, Vafiadis I, Sidiropoulos L, Kanatakis S, Anagnostopoulos G, Sypsa V, Hatzakis A, and Hellenic Viral Hepatitis Research Network

Journal of viral hepatitis 10(5):383-9, 2003 Sep - Who cited this? | PubMed ID: 12969190 | Fulltext

A randomized trial to assess the efficacy of interferon alpha in combination with ribavirin in the treatment of interferon alpha nonresponders with chronic hepatitis C: superior efficacy of high daily dosage of interferon alpha in genotype 1.

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Tassopoulos NC, Tsantoulas D, Raptopoulou M, Vassiliadis T, Kanatakis S, Paraskevas E, Vafiadis I, Avgerinos A, Tzathas C, Manolakopoulos S, Ketikoglou I, Aggelis P, Goritsas K, Giannoulis G, Hatzis G G, Thomopoulos K,

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Journal of viral hepatitis 10(3):189-96, 2003 May - Who cited this? | PubMed ID: 12753337 | Fulltext

Genetic evolution of human immunodeficiency virus type 1 in two spouses responding successfully to highly active antiretroviral therapy.

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Anastassopoulou CG, Paraskevis D, Sypsa VA, Chryssou SE, Antoniadou A, Giamarelou H, and Hatzakis A

AIDS research and human retroviruses 19(1):65-71, 2003 Jan 1 - Who cited this? | PubMed ID: 12596725 | Fulltext

Development and assessment of a novel real-time PCR assay for quantitation of HBV DNA.

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Paraskevis D, Haida C, Tassopoulos N, Raptopoulou M, Tsantoulas D, Papachristou H, Sypsa V, and Hatzakis A

Journal of virological methods 103(2):201-12, 2002 May 16 - Who cited this? | PubMed ID: 12008014 | Fulltext

IFN-alpha2b monotherapy in patients with chronic hepatitis C and persistently normal or near normal aminotransferase activity: a randomized, controlled study.

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Tassopoulos NC, Vafiadis I, Tsantoulas D, Syrokosta J, Hatzis G, Delladetsima JK, Demonakou M, Sypsa V, and Hatzakis AE

Journal of interferon & cytokine research : the official journal of the International Society for Interferon and Cytokine Research 22(3):365-9, 2002 Mar - Who cited this? | PubMed ID: 12034044 | Fulltext

Comparison of smoothing techniques for CD4 data in a Markov model with states defined by CD4: an example on the estimation of the HIV incubation time distribution.

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Sypsa V, Touloumi G, Kenward M, Karafoulidou A, and Hatzakis A

Statistics in medicine 20(24):3667-76, 2001 Dec 30 - Who cited this? | PubMed ID: 11782025 | Fulltext

Prevalence and genotypic distribution of TT virus in Athens, Greece.

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Katsoulidou A, Paraskevis D, Anastassopoulou CG, Chryssou SE, Sypsa V, Boletis J, Malliori M, Karafoulidou A, Tassopoulos NC, and Hatzakis A

Journal of medical virology 65(2):423-9, 2001 Oct - Who cited this? | PubMed ID: 11536255 | Fulltext

Low-dose IFN-alpha monotherapy in treatment-naive individuals with HIV-1 infection: evidence of potent suppression of viral replication.

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Hatzakis A, Gargalianos P, Kiosses V, Lazanas M, Sypsa V, Anastassopoulou C, Vigklis V, Sambatakou H, Botsi C, Paraskevis D, and Stalgis C

Journal of interferon & cytokine research : the official journal of the International Society for Interferon and Cytokine Research 21(10):861-9, 2001 Oct - Who cited this? | PubMed ID: 11710999 | Fulltext

Prevalence, risk factors and evaluation of a screening strategy for chronic hepatitis C and B virus infections in healthy company employees.

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Sypsa V, Hadjipaschali E, and Hatzakis A

European journal of epidemiology 17(8):721-8, 2001 - Who cited this? | PubMed ID: 12086089 | Fulltext

Molecular epidemiology of GB virus C/hepatitis G virus in Athens, Greece.

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Anastassopoulou CG, Paraskevis D, Tassopoulos NC, Boletis J, Sypsa VA, Hess G, and Hatzakis A

Journal of medical virology 61(3):319-26, 2000 Jul - Who cited this? | PubMed ID: 10861639 | Fulltext

Prevalence patterns and genotypes of GB virus C/hepatitis G virus among imprisoned intravenous drug users.

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Anastassopoulou CG, Paraskevis D, Sypsa V, Psichogiou M, Katsoulidou A, Tassopoulos N, Skoutelis A, Malliori M, and Hatzakis A

Journal of medical virology 56(3):246-52, 1998 Nov - Who cited this? | PubMed ID: 9783693 | Fulltext

A survey of bloodborne viruses and associated risk behaviours in Greek prisons.

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Malliori M, Sypsa V, Psichogiou M, Touloumi G, Skoutelis A, Tassopoulos N, Hatzakis A, and Stefanis C

Addiction (Abingdon, England) 93(2):243-51, 1998 Feb - Who cited this? | PubMed ID: 9624725 | Fulltext

Factors associated with severity and disease progression in chronic hepatitis C.

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Tassopoulos NC, Papatheodoridis GV, Katsoulidou A, Delladetsima JK, Sypsa V, Touloumi G, Nikandros M, and Hatzakis A

Hepato-gastroenterology 45(23):1678-83, 1998 - Who cited this? | PubMed ID: 9840128 | Fulltext

Significance of IgM anti-HCV core level in chronic hepatitis C.

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Papatheodoridis GV, Delladetsima JK, Katsoulidou A, Sypsa V, Albrecht M, Michel G, Hatzakis A, and Tassopoulos NC

Journal of hepatology 27(1):36-41, 1997 Jul - Who cited this? | PubMed ID: 9252071 | Fulltext

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