Cleft lip and cleft palate: a genetic study.

@article{Coccia1969CleftLA,
  title={Cleft lip and cleft palate: a genetic study.},
  author={Celestina Coccia and David Bixler and P. Michael Conneally},
  journal={The Cleft palate journal},
  year={1969},
  volume={6},
  pages={323-36}
}