@misc{indiciae36a1ef3442bc,
  title = {A second messenger required for nerve growth factor biological activity?},
  author = {R Heumann and M Schwab and H Thoenen},
  year = {1981},
  doi = {10.1038/292838a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/7266652/},
  note = {Source identifier: 7266652}
}