共 22 条
[11]
MACRAE D J, 1970, Journal of Obstetrics and Gynaecology of the British Commonwealth, V77, P1088
[16]
ROY EJ, 1963, J OBSTET GYN BR COMM, V70, P1034
[17]
SCHWERS J, 1965, OESTROGENES COURS SE
[19]
SNEDECOR GW, 1952, BIOMETRICS, V8, P85
[20]
TORRE BDL, 1970, ACTA OBSTET GYN SCAN, V49, P165