@misc{indiciae3bebbd39ada4,
  title = {Every new system generates new problem a priori.},
  author = {Stefan Kostianev and Vladimir Hodgev},
  year = {2006},
  doi = {10.1016/j.rmed.2006.03.040},
  url = {https://pubmed.ncbi.nlm.nih.gov/16701987/},
  note = {Source identifier: 16701987}
}