@misc{indiciae659f3410b455,
  title = {Collagen biosynthesis in nonfibroblastic cell lines.},
  author = {U Langness and S Udenfriend},
  year = {1974},
  doi = {10.1073/pnas.71.1.50},
  url = {https://pubmed.ncbi.nlm.nih.gov/4359330/},
  note = {Source identifier: 4359330}
}