共 17 条
[1]
ADAMSONS K, 1967, 57 ROSS C PED RES RE, P75
[4]
FOX H, 1970, Journal of Obstetrics and Gynaecology of the British Commonwealth, V77, P526
[6]
GABBE SG, 1971, 17 ANN M SOC GYN INV, P42
[8]
KLOPPER A, 1970, AM J OBSTET GYNECOL, V107, P807
[10]
LOOMIS ME, 1961, J LAB CLIN MED, V57, P966