@misc{indiciaef26bc48f87ab,
  title = {How should we evaluate a cohort study? Study design.},
  author = {R Klein and B E Klein},
  year = {1997},
  doi = {10.1016/s0161-6420(97)30097-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/9331189/},
  note = {Source identifier: 9331189}
}