@misc{indiciae74be7e17b19b,
  title = {The long march},
  author = {T Greenhalgh},
  year = {1998},
  doi = {10.1136/bmj.316.7149.1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/9641963/},
  note = {Source identifier: 9641963}
}