@misc{indiciae09d00ace3b20,
  title = {Nutritional epidemiology: issues and challenges.},
  author = {W Willett},
  year = {1987},
  doi = {10.1093/ije/16.2.312},
  url = {https://pubmed.ncbi.nlm.nih.gov/3610460/},
  note = {Source identifier: 3610460}
}