title: [Detection of HBsAg in vaginal secretion, semen and saliva].
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D008297:Male; D008598:Menstruation; D008875:Middle Aged; D012463:Saliva / Q000276:immunology*; D012661:Semen / Q000276:immunology*; D002579:Uterine Cervical Erosion / Q000276:immunology; D014621:Vagina / Q000276:immunology*
chemical_list: D006514:Hepatitis B Surface Antigens