@misc{indiciae091d4ad71e32,
  title = {Problems of future measles vaccination in developing countries.},
  author = {R G Hendrickse},
  year = {1975},
  doi = {10.1016/0035-9203(75)90007-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/807000/},
  note = {Source identifier: 807000}
}