@misc{indiciae4b39c474e6ea,
  title = {Selective caliceal catheterization for stone manipulation.},
  author = {T P Ball and L M Bobroff},
  year = {1975},
  doi = {10.1016/s0022-5347(17)66978-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/1159902/},
  note = {Source identifier: 1159902}
}