@misc{indiciaee5e141ace755,
  title = {Retrograde urethrogram: diagnostic aid and hazard.},
  author = {E M Mullin and L J Peterson and D F Paulson},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4742187/},
  note = {Source identifier: 4742187}
}