@misc{indiciae4fadbd07027e,
  title = {Standard structures in proteins.},
  author = {A V Efimov},
  year = {1993},
  doi = {10.1016/0079-6107(93)90015-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/8372226/},
  note = {Source identifier: 8372226}
}