@misc{indiciaeeb86206bd55c,
  title = {A mathematical model for bladder neck function.},
  author = {H E Carstensen and P S Freed and A Kantrowitz},
  year = {1969},
  url = {https://pubmed.ncbi.nlm.nih.gov/4985723/},
  note = {Source identifier: 4985723}
}