@misc{indiciaed5e14eb73c3b,
  title = {Improved pyeloureteral visualization using glucagon during experimental intravenous urography.},
  author = {B J Hillman and T W Ovitt and J W Doering},
  doi = {10.1097/00004424-198007000-00007},
  url = {https://pubmed.ncbi.nlm.nih.gov/7203891/},
  note = {Source identifier: 7203891}
}