@misc{indiciaed96caaf28857,
  title = {Is NGF an enzyme?},
  author = {P Calissano and R Levi-Montalcini},
  year = {1979},
  doi = {10.1038/280359a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/460411/},
  note = {Source identifier: 460411}
}