Oral contraceptive use and the risk of malaria.
D003276:Contraceptives, Oral / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D007108:Immune Tolerance; D007630:Kenya; D008288:Malaria / Q000453:epidemiology*; D010298:Parity; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000453:epidemiology*
D003276:Contraceptives, Oral