@misc{indiciaebc6aef7f0995,
  title = {Countercurrent multiplication system without active transport in inner medulla.},
  author = {J P Kokko and F C Rector},
  year = {1972},
  doi = {10.1038/ki.1972.97},
  url = {https://pubmed.ncbi.nlm.nih.gov/4657922/},
  note = {Source identifier: 4657922}
}