Full text: Available Index: IMSEAR (South-East Asia) Main subject: Humans / Comorbidity / HIV Infections / Incidence / Cross-Sectional Studies / Causality / Hepatitis C / Developing Countries / Diagnosis, Differential / Hepatitis B Type of study: Diagnostic study / Incidence study / Observational study / Prevalence study / Prognostic study / Risk factors Country/Region as subject: Asia Language: English Year: 1997 Type: Article