Sexual transmission of viral hepatitis?
D003075:Coitus; D003937:Diagnosis, Differential; D005243:Feces / Q000382:microbiology; D005260:Female; D006506:Hepatitis A / Q000175:diagnosis / Q000635:transmission*; D006509:Hepatitis B / Q000097:blood / Q000175:diagnosis / Q000382:microbiology / Q000635:transmission*; D006511:Hepatitis B Antigens; D006716:Homosexuality; D006801:Humans; D008297:Male; D012749:Sexually Transmitted Diseases
D006511:Hepatitis B Antigens