共 6 条
[1]
PREDICTION OF DELIVERY DATE BY ULTRASONIC MEASUREMENT OF FETAL CROWN-RUMP LENGTH
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1977, 84 (01)
:1-5
[2]
ULTRASONIC MEASUREMENT OF FETAL CROWN-RUMP LENGTH AS A METHOD OF ASSESSING GESTATIONAL AGE
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1976, 83 (06)
:417-421
[5]
CRITICAL EVALUATION OF SONAR CROWN-RUMP LENGTH MEASUREMENTS
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1975, 82 (09)
:702-710
[6]
SONAR MEASUREMENT OF FETAL CROWN-RUMP LENGTH AS MEANS OF ASSESSING MATURITY IN FIRST TRIMESTER OF PREGNANCY
[J].
BMJ-BRITISH MEDICAL JOURNAL,
1973, 4 (5883)
:28-31