共 8 条
[1]
DUBESHTER B, 1987, OBSTET GYNECOL, V69, P390
[2]
GORDON AN, 1985, OBSTET GYNECOL, V65, P550
[4]
LI MC, 1956, P SOC EXP BIOL MED, V93, P361
[5]
LURAIN JR, 1985, OBSTET GYNECOL, V65, P830
[6]
SURWIT EA, 1980, OBSTET GYNECOL, V55, P565
[8]
1983, TECHNICAL REPORT SER, V692, P1