title: Letter: Effects of the normal menstrual cycle on human gallbladder bile.
mesh_terms: D001646:Bile / Q000187:drug effects; D001647:Bile Acids and Salts / Q000032:analysis; D002769:Cholelithiasis / Q000139:chemically induced*; D003276:Contraceptives, Oral / Q000009:adverse effects* / Q000494:pharmacology; D005260:Female; D006801:Humans; D008598:Menstruation; D011247:Pregnancy
chemical_list: D001647:Bile Acids and Salts; D003276:Contraceptives, Oral