@misc{indiciaeb9aeec5d7ffe,
  title = {Descriptive studies: what they can and cannot do.},
  author = {David A Grimes and Kenneth F Schulz},
  year = {2002},
  doi = {10.1016/s0140-6736(02)07373-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/11809274/},
  note = {Source identifier: 11809274}
}