@misc{indiciaeadffeb0f00ee,
  title = {Correcting the flat helix.},
  author = {J F North and R G Broadbent},
  year = {1977},
  doi = {10.1016/0007-1226(77)90127-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/588796/},
  note = {Source identifier: 588796}
}