@misc{indiciae7288ccb5d70b,
  title = {A simple method for multiple fluid exchange.},
  author = {M Ritter and F Lang},
  year = {1989},
  doi = {10.1007/bf00370599},
  url = {https://pubmed.ncbi.nlm.nih.gov/2556687/},
  note = {Source identifier: 2556687}
}