title: A seventeen-year-old HBsAg sero-positive heroin user with generalized vascular disease.
mesh_terms: D000293:Adolescent; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006716:Homosexuality; D006801:Humans; D008297:Male; D012871:Skin Diseases / Q000175:diagnosis*; D013577:Syndrome; D014652:Vascular Diseases / Q000175:diagnosis*
chemical_list: D006514:Hepatitis B Surface Antigens