[Diagnosis of collagen diseases by gingival biopsy. Study of 15 cases].

@article{Trujillo1974DiagnosisOC,
  title={[Diagnosis of collagen diseases by gingival biopsy. Study of 15 cases].},
  author={F Rodriquez Trujillo and M Lopez Ruiz},
  journal={Estomatologia},
  year={1974},
  volume={12 1},
  pages={31-6}
}