1. Focal epithelial hyperplasia: An unusual oral mucosal lesion found in Indian children;Archard;Oral Surg,1965
2. Penal sobre diagnostico oral. VI.;Beltran,1966
3. Focal epithelial hyperplasia;Decker;Report of four cases in Mestizos from Cochabamba, Bolivia. Oral Surg,1969
4. Aporte al estudio odontologico de los Indios;Estrada;Her. Dent,1956