title: Oral contraceptives and the red blood cell.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D003276:Contraceptives, Oral / Q000494:pharmacology*; D004906:Erythrocyte Count; D004912:Erythrocytes / Q000187:drug effects*; D005260:Female; D006400:Hematocrit; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D008598:Menstruation; D008875:Middle Aged; D010298:Parity
chemical_list: D003276:Contraceptives, Oral; D006454:Hemoglobins