TY  - RPRT
TI  - Distinction between obstructive and nonobstructive pyelocaliectasis with duplex Doppler sonography.
AU  - J F Platt
AU  - J M Rubin
AU  - J H Ellis
PY  - 1989
DO  - 10.2214/ajr.153.5.997
UR  - https://pubmed.ncbi.nlm.nih.gov/2679004/
ID  - 2679004
ER  -