@misc{indiciae68d85d6fdfed,
  title = {The renal pelvis.},
  author = {B Schmidt-Nielsen},
  year = {1987},
  doi = {10.1038/ki.1987.43},
  url = {https://pubmed.ncbi.nlm.nih.gov/3550232/},
  note = {Source identifier: 3550232}
}