@misc{indiciae0ce8d7a1e738,
  title = {Polyproline helices in protein structures: A statistical survey.},
  author = {Rita Berisio and Salvatore Loguercio and Alfonso De Simone and Adriana Zagari and Luigi Vitagliano},
  year = {2006},
  doi = {10.2174/092986606777841154},
  url = {https://pubmed.ncbi.nlm.nih.gov/17073732/},
  note = {Source identifier: 17073732}
}