Localized gingival recessions: 1. Etiology and prevalence.

@article{Guinard1977LocalizedGR,
  title={Localized gingival recessions: 1. Etiology and prevalence.},
  author={E A Guinard and Ra{\'u}l Guillermo Caffesse},
  journal={The Journal of the Western Society of Periodontology/Periodontal abstracts},
  year={1977},
  volume={25 1},
  pages={3-9}
}