@misc{indiciaeb1dbbcdfbcf1,
  title = {Nigeria.},
  author = {K A Harrison},
  year = {1979},
  doi = {10.1016/s0140-6736(79)92344-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/92632/},
  note = {Source identifier: 92632}
}