TY  - RPRT
TI  - Dilated renal collecting systems: differentiating obstructive from nonobstructive dilation using duplex Doppler ultrasound.
AU  - R O Bude
AU  - J F Platt
AU  - J M Rubin
AU  - D A Ohl
PY  - 1991
DO  - 10.1016/0090-4295(91)80206-m
UR  - https://pubmed.ncbi.nlm.nih.gov/1992579/
ID  - 1992579
ER  -