共 41 条
[34]
MCCRANN JJ, 1974, CLINICS PERINATOL, V1, P229
[35]
POURCELOT L, 1974, VELIOMETRIC ULTRASON, V34, P625
[37]
SALING E, 1968, FETAL NEONATAL HYPOX, P116
[38]
STEMBERA ZK, 1964, A J OBSTET GYNECOL, V90, P780
[39]
FETAL BLOOD VELOCITY WAVEFORMS IN NORMAL-PREGNANCY
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1980, 87 (09)
:780-785
[40]
TRUDINGER B, 1983, 10TH C FET BREATH MO