@misc{indiciaeaa22c973e9f4,
  title = {Ring chromosome 7 with variable phenotypic expression.},
  author = {E H Zackai and W R Breg},
  year = {1973},
  doi = {10.1159/000130436},
  url = {https://pubmed.ncbi.nlm.nih.gov/4145271/},
  note = {Source identifier: 4145271}
}