共 13 条
[3]
GRAY LA, 1966, OBSTET GYNECOL, V28, P714
[5]
KUTNER FR, 1965, ARCH SURG-CHICAGO, V91, P71
[6]
LAUBERGER G, 1959, HENRY FORD HOSP B, V1, P245
[8]
MANNIX H, 1968, SURG GYNECOL OBSTETR, V126, P347
[9]
PRATT HJ, 1965, AM J OBSTET GYNECOL, V93, P812