title: [Hepatitis virus markers in a group of homosexuals].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002353:Carrier State / Q000276:immunology*; D002677:Chile; D005260:Female; D006509:Hepatitis B / Q000276:immunology* / Q000635:transmission; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006716:Homosexuality; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D006514:Hepatitis B Surface Antigens
vernacular_title: Marcadores de los virus de la hepatitis en un grupo de homosexuales.