Oral medicine case book 10. Gingival diseases.

@article{Waal2008OralMC,
  title={Oral medicine case book 10. Gingival diseases.},
  author={Johann De Waal and Wynand P Dreyer},
  journal={SADJ : journal of the South African Dental Association = tydskrif van die Suid-Afrikaanse Tandheelkundige Vereniging},
  year={2008},
  volume={63 7},
  pages={406, 408}
}