@misc{indiciae23fba466efb4,
  title = {Dilated renal collecting systems: differentiating obstructive from nonobstructive dilation using duplex Doppler ultrasound.},
  author = {R O Bude and J F Platt and J M Rubin and D A Ohl},
  year = {1991},
  doi = {10.1016/0090-4295(91)80206-m},
  url = {https://pubmed.ncbi.nlm.nih.gov/1992579/},
  note = {Source identifier: 1992579}
}