共 22 条
[1]
BRAND E, 1988, OBSTET GYNECOL, V71, P261
[2]
CANDY J, 1968, J AMER MED ASSOC, V203, P323
[3]
CZERNOBILSKY B, 1974, OBSTET GYNECOL, V43, P517
[5]
GALL SA, 1969, JAMA-J AM MED ASSOC, V207, P84
[8]
JAWORSKI RC, 1990, SEMIN DIAGN PATHOL, V7, P190
[9]
JONES MW, 1989, OBSTET GYNECOL, V73, P984