共 25 条
[1]
ALLEN JL, 1972, OBSTET GYNECOL, V39, P218
[3]
BOLLING DR, 1973, OBSTET GYNECOL, V41, P689
[4]
BREEDEN JT, 1974, OBSTET GYNECOL, V43, P379
[6]
COPENHAVER EH, 1965, SURG CLIN N AM, V45, P751
[7]
FLEMING SP, 1954, OBSTET GYNECOL, V4, P295
[8]
FRYMIRE LJ, 1971, OBSTET GYNECOL, V38, P239
[10]
GOOSENBERG J, 1969, AM J OBSTET GYNECOL, V105, P503