title: Effect of oral contraceptive on plant chromosomes.
mesh_terms: D002875:Chromosomes / Q000187:drug effects*; D003276:Contraceptives, Oral / Q000494:pharmacology*; D003277:Contraceptives, Oral, Combined / Q000494:pharmacology*; D006801:Humans; D008234:Lynestrenol / Q000494:pharmacology*; D010944:Plants / Q000187:drug effects*
chemical_list: D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D008234:Lynestrenol