@misc{indiciae660c015f2349,
  title = {Renal matrix calculus. Sonographic appearance.},
  author = {C V Zwirewich and A R Buckley and M R Kidney and L D Sullivan and V A Rowley},
  year = {1990},
  doi = {10.7863/jum.1990.9.1.61},
  url = {https://pubmed.ncbi.nlm.nih.gov/2404136/},
  note = {Source identifier: 2404136}
}