title: [Hepatitis B surface antigen in 489 prostitutes in Santiago].
mesh_terms: D000328:Adult; D002677:Chile; D005260:Female; D006509:Hepatitis B / Q000453:epidemiology; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D008875:Middle Aged; D012306:Risk; D011477:Sex Work
chemical_list: D006514:Hepatitis B Surface Antigens
vernacular_title: Estudio del antígeno de superficie de la hepatitis B en 489 prostitutas de Santiago.