Menstrual blood loss in healthy Chinese women.
D000328:Adult; D002681:China; D005260:Female; D006400:Hematocrit; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects*; D008598:Menstruation
D006454:Hemoglobins