共 17 条
[3]
LEADER LR, 1981, OBSTET GYNECOL, V57, P431
[5]
NELDAM S, 1980, LANCET, V1, P1222
[9]
FETAL ACTIVITY AND FETAL WELLBEING - EVALUATION
[J].
BRITISH MEDICAL JOURNAL,
1976, 1 (6021)
:1305-1307