共 21 条
[2]
Cherry TH, 1944, AM J SURG, V64, P40
[4]
Cochran W.G. G.M. Cox., 1957, Experimental Design
[5]
CUNDIFF G, 1995, J REPROD MED, V40, P19
[9]
GORDTS SJ, 2000, HUM REPROD, V15, P2379
[10]
KELLY JV, 1956, AM J OBSTET GYNECOL, V76, P523