@misc{indiciae858a2513d20e,
  title = {Phenotypic variation in sickle cell trait.},
  author = {G J Esan and T A Adesina},
  year = {1974},
  doi = {10.1111/j.1600-0609.1974.tb00283.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4453812/},
  note = {Source identifier: 4453812}
}