@misc{indiciaef2bc57838414,
  title = {The early years.},
  author = {R G Ellison},
  year = {1989},
  doi = {10.1016/0003-4975(89)90224-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/2643408/},
  note = {Source identifier: 2643408}
}