title: Pregnancy-associated alpha-glycoprotein, oral contraceptives, and rheumatoid arthritis.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000517:prevention & control*; D003276:Contraceptives, Oral / Q000494:pharmacology*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000517:prevention & control*; D011257:Pregnancy Proteins / Q000032:analysis*
chemical_list: D003276:Contraceptives, Oral; D011257:Pregnancy Proteins