共 33 条
[2]
BEISCHER NA, 1968, OBSTET GYNECOL DIGES, V10, P37
[6]
HEYS RF, 1968, LANCET, V1, P328
[8]
KLOPPER A, 1959, J OBSTET GYNAECOL, V66, P822
[9]
KORENMAN S G, 1970, Endocrinology, V87, P1119