@misc{indiciae4dd83a28fe5a,
  title = {Obituary: Charles W. Cotterman.},
  author = {J M Opitz},
  year = {1989},
  doi = {10.1002/ajmg.1320340202},
  url = {https://pubmed.ncbi.nlm.nih.gov/2683786/},
  note = {Source identifier: 2683786}
}