@misc{indiciae31b56457b304,
  title = {Study design IV. Cohort studies.},
  author = {Kate Ann Levin},
  year = {2006},
  doi = {10.1038/sj.ebd.6400407},
  url = {https://pubmed.ncbi.nlm.nih.gov/16858385/},
  note = {Source identifier: 16858385}
}