@misc{indiciae41accd1c5a50,
  title = {Hemoglobin polymorphism.},
  author = {M H Crawford},
  year = {1971},
  doi = {10.1126/science.171.3972.706-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/4993034/},
  note = {Source identifier: 4993034}
}