Trisomy 18 in sibs and maternal chromosome 9 variant.

@article{Pauli1978Trisomy1I,
  title={Trisomy 18 in sibs and maternal chromosome 9 variant.},
  author={Richard M. Pauli and Roberta A. Pagon and Judith Goslin Hall},
  journal={Birth defects original article series},
  year={1978},
  volume={14 6C},
  pages={297-301}
}