1. Inglés E, Rossmann JA, Caffesse RG. New clinical index for drug-induced gingival overgrowth. Quintessence Int 1999;30:467-473.
2. Lee KW. The fibrous epulis and related lesions. Granuloma pyogenicum, ‘Pregnancy tumour’, fibro-epithelial polyp and calcifying fibroblastic granuloma. A clinico-pathological study. Periodontics 1968;6:277-292.
3. Reactive Lesions of the Gingiva: A Clinicopathological Study of 741 Cases
4. Gingival Cysts in the Adult
5. Allen RR, Bruce KW. Nevus of the gingiva; report of case. J Oral Surg (Chic) 1954;12:254-256.