@misc{indiciaeef54feeddbfd,
  title = {Health research for development.},
  author = {S B Rifkin and D Griffith},
  year = {1991},
  doi = {10.1016/0140-6736(91)91756-k},
  url = {https://pubmed.ncbi.nlm.nih.gov/1673529/},
  note = {Source identifier: 1673529}
}