共 38 条
[1]
ACHIRON R, 1994, J ULTRAS MED, V13, P783
[2]
ACHIRON R, 1994, OBSTET GYNECOL, V84, P69
[3]
AYERS NA, 1997, TEX HEART I J, V24, P250
[4]
BRONSHTEIN M, 1991, OBSTET GYNECOL, V78, P374
[6]
BRONSHTEIN M, 1993, OBSTET GYNECOL, V82, P225