@misc{indiciae575a6d49523c,
  title = {Poly-arginine.},
  author = {E KATCHALSKI and P SPITNIK},
  year = {1949},
  doi = {10.1038/1641092a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/15399601/},
  note = {Source identifier: 15399601}
}