共 14 条
[1]
BARTRUM R J JR, 1974, Journal of Clinical Ultrasound, V2, P281, DOI 10.1002/jcu.1870020404
[2]
BOAL DK, 1980, ULTRASONIC APPEARANC
[3]
COLTON SCD, 1974, STATISTICS MED
[5]
DIAGNOSIS OF FETAL HYDRONEPHROSIS, MEGAURETER AND URETHRAL OBSTRUCTION BY ULTRASONIC ECHOGRAPHY
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1975, 82 (02)
:115-120
[6]
GARRETT WJ, 1970, AUST NZ J OBSTET GYN, V10, P7
[7]
GONZALES J, 1976, ANN RADIOL, V4, P449