共 13 条
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CAMPBELL S, 1969, Journal of Obstetrics and Gynaecology of the British Commonwealth, V76, P603
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COOPERBERG P L, 1976, Journal of Clinical Ultrasound, V4, P421, DOI 10.1002/jcu.1870040609
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COMPARISON BETWEEN LINEAR-ARRAY REAL-TIME ULTRASONIC-SCANNING AND CONVENTIONAL COMPOUND SCANNING IN MEASUREMENT OF FETAL BIPARIETAL DIAMETER
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BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1977, 84 (12)
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ULTRASONIC MEASUREMENT OF FETAL CROWN-RUMP LENGTH AS A METHOD OF ASSESSING GESTATIONAL AGE
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BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
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ASSESSMENT OF GESTATION BY ULTRASOUND IN VARIOUS STAGES OF PREGNANCY IN INFANTS DIFFERING IN SIZE AND ETHNIC-ORIGIN
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BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1981, 88 (03)
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BIRTH-WEIGHT STANDARDS IN A COMMUNITY OF MIXED RACIAL ORIGIN
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BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1978, 85 (07)
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ULTRASOUND DEMONSTRATION OF AN UNUSUAL FETAL GROWTH-PATTERN IN INDIANS
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1981, 88 (03)
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[8]
THE REPRODUCIBILITY OF FETAL CROWN RUMP LENGTH MEASUREMENTS OBTAINED WITH REAL-TIME ULTRASOUND SYSTEMS COMPARED WITH THOSE OF A CONVENTIONAL B-SCANNER
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
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[9]
CRITICAL EVALUATION OF SONAR CROWN-RUMP LENGTH MEASUREMENTS
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BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1975, 82 (09)
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SONAR MEASUREMENT OF FETAL CROWN-RUMP LENGTH AS MEANS OF ASSESSING MATURITY IN FIRST TRIMESTER OF PREGNANCY
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BMJ-BRITISH MEDICAL JOURNAL,
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