@misc{indiciae42d50e66d088,
  title = {Multivalent cations and anionic substitution effects on frog skin.},
  author = {A Stymans and W Van Driessche and R Borghgraef},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4122906/},
  note = {Source identifier: 4122906}
}