共 16 条
[2]
BROCK DJH, 1980, BR J OBSTET GYNAECOL, V87, P860
[4]
BURTON BK, 1986, PEDIATRICS, V77, P582
[5]
ALPHA-FETOPROTEIN AND ECTOPIC PREGNANCY
[J].
BRITISH MEDICAL JOURNAL,
1983, 286 (6373)
:1247-1248
[7]
MACRI JN, 1982, OBSTET GYNECOL, V59, P633
[8]
MILUNSKY A, 1980, OBSTET GYNECOL, V55, P60
[9]
NELSON LH, IN PRESS J ULTRASOUN