共 65 条
[1]
AVERETTE H E, 1969, Clinical Obstetrics and Gynecology, V12, P372, DOI 10.1097/00003081-196906000-00005
[4]
BRUNSCHWIG A, 1966, OBSTET GYNECOL, V27, P21
[6]
BRUNTSCH K H, 1956, Z Geburtshilfe Gynakol, V146, P105
[8]
CARTER B, 1952, T AM C OBSTET GYNECO, V5, P309
[9]
CHERRY CP, 1953, J OBSTET GYN BRIT EM, V60, P368