共 13 条
[1]
EHRSTROM C, 1979, ACTA OBSTET GYNE S80
[6]
LEE CY, 1976, OBSTET GYNECOL, V48, P19
[7]
MATHEWS DD, 1975, OBSTET GYNECOL, V45, P488
[8]
FETAL ACTIVITY AND FETAL WELLBEING - EVALUATION
[J].
BRITISH MEDICAL JOURNAL,
1976, 1 (6021)
:1305-1307
[10]
SADOVSKY E, 1977, OBSTET GYNECOL, V50, P49