@misc{indiciae474af20b08e4,
  title = {Grade I hydronephrosis: pulsed Doppler US evaluation.},
  author = {F H Scola and J J Cronan and B Schepps},
  year = {1989},
  doi = {10.1148/radiology.171.2.2649926},
  url = {https://pubmed.ncbi.nlm.nih.gov/2649926/},
  note = {Source identifier: 2649926}
}