[Observations on calcium balance in pregnancy].
D002128:Calcium Metabolism Disorders; D002136:Calcium, Dietary; D004958:Estradiol; D004964:Estriol; D005260:Female; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications
D002136:Calcium, Dietary; D004958:Estradiol; D004964:Estriol
CALCIUM METABOLISM DISORDERS; ESTRADIOL; ESTRIOL; PREGNANCY COMPLICATIONS