title: HBsAg, alcohol, and syphilis.
mesh_terms: D000437:Alcoholism / Q000150:complications*; D006509:Hepatitis B / Q000150:complications; D006511:Hepatitis B Antigens / Q000302:isolation & purification*; D006801:Humans; D008107:Liver Diseases / Q000209:etiology; D013587:Syphilis / Q000150:complications*
chemical_list: D006511:Hepatitis B Antigens