title: Hepatitis B markers in heterosexuals involved in promiscuous sexual activity.
mesh_terms: D000328:Adult; D005260:Female; D006509:Hepatitis B / Q000635:transmission*; D006510:Hepatitis B Antibodies / Q000032:analysis*; D006511:Hepatitis B Antigens / Q000032:analysis*; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006513:Hepatitis B e Antigens / Q000032:analysis*; D006801:Humans; D008296:Malaysia; D008297:Male; D008875:Middle Aged; D012306:Risk; D011477:Sex Work; D012725:Sexual Behavior
chemical_list: D006510:Hepatitis B Antibodies; D006511:Hepatitis B Antigens; D006514:Hepatitis B Surface Antigens; D006513:Hepatitis B e Antigens