@misc{indiciae3a2e19ec1ac8,
  title = {Conformation of polypeptide chains.},
  author = {C M Venkatachalam and G N Ramachandran},
  year = {1969},
  doi = {10.1146/annurev.bi.38.070169.000401},
  url = {https://pubmed.ncbi.nlm.nih.gov/4896243/},
  note = {Source identifier: 4896243}
}