Hematologic abnormalities in adolescents who take oral contraceptive pills.
D000293:Adolescent; D000749:Anemia, Megaloblastic / Q000139:chemically induced; D002648:Child; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D005293:Ferritins / Q000097:blood; D005492:Folic Acid / Q000097:blood*; D005494:Folic Acid Deficiency / Q000139:chemically induced*; D006801:Humans; D044469:Racial Groups
D003276:Contraceptives, Oral; D005293:Ferritins; D005492:Folic Acid