title: [An epidemiological study on hepatitis B virus infection in Kaohsiung Medical College freshmen].
mesh_terms: D000328:Adult; D002353:Carrier State / Q000453:epidemiology / Q000276:immunology; D005260:Female; D006509:Hepatitis B / Q000453:epidemiology* / Q000276:immunology; D006514:Hepatitis B Surface Antigens / Q000032:analysis; D006801:Humans; D008297:Male; D012737:Sex Factors; D013624:Taiwan
chemical_list: D006514:Hepatitis B Surface Antigens