Menstrual blood loss--a population study. Variation at different ages and attempts to define normality.
D000293:Adolescent; D000328:Adult; D000375:Aging; D005260:Female; D006306:Health Surveys; D006454:Hemoglobins; D006801:Humans; D007501:Iron / Q000097:blood; D008598:Menstruation; D008875:Middle Aged; D013223:Statistics as Topic; D013548:Sweden
D006454:Hemoglobins; D007501:Iron