@misc{indiciaeeb573e37db23,
  title = {Family-planning and immunisation programmes in developing countries.},
  author = {C V Foll},
  year = {1972},
  doi = {10.1016/s0140-6736(72)91942-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/4115601/},
  note = {Source identifier: 4115601}
}