共 97 条
[1]
[Anonymous], 1976, JAMA-J AM MED ASSOC, V236, P1471
[3]
ANTEPARTUM FETAL HEART-RATE MONITORING IN MULTIPLE PREGNANCY
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1980, 87 (07)
:561-564
[6]
BARSS VA, 1985, OBSTET GYNECOL, V66, P779
[8]
BERKOWITZ RL, 1979, CLIN DIAGN ULTRASOUN, V3, P69
[9]
Bernirschke K, 1973, NEW ENGL J MED, V288, P1329
[10]
BLAKE GD, 1984, OBSTET GYNECOL, V63, P528