共 5 条
[1]
JOUPPILA P, 1971, ANN CHIR GYNAECOL FE, V60, P57
[2]
LUYKEN-OZOLINS A, 1976, European Journal of Obstetrics and Gynecology and Reproductive Biology, V6, P67, DOI 10.1016/0028-2243(76)90005-8