@misc{indiciaef23b378fe1a0,
  title = {Aging and research in developing countries.},
  author = {J Litvak},
  year = {1989},
  doi = {10.1007/bf03323880},
  url = {https://pubmed.ncbi.nlm.nih.gov/2488311/},
  note = {Source identifier: 2488311}
}