@misc{indiciae4386c3c43f53,
  title = {The world's health problems.},
  author = {J Nagelkerk},
  year = {1994},
  doi = {10.1097/00005110-199401000-00005},
  url = {https://pubmed.ncbi.nlm.nih.gov/8308564/},
  note = {Source identifier: 8308564}
}