@misc{indiciae39dd98db8d61,
  title = {Transitions and paradigms.},
  author = {Leonard Duhl},
  year = {2004},
  doi = {10.1136/jech.2004.021139},
  url = {https://pubmed.ncbi.nlm.nih.gov/15365100/},
  note = {Source identifier: 15365100}
}