@misc{indiciaee3926c5ddf1d,
  title = {Expanded Programme on Immunization in Nigeria.},
  author = {A O Sorungbe},
  doi = {10.1093/clinids/11.supplement\_3.s509},
  url = {https://pubmed.ncbi.nlm.nih.gov/2762695/},
  note = {Source identifier: 2762695}
}