Narendra, S., C. Bose, and N. Rout. “Oral Pyogenic Granuloma: One Reactive Hyperplastic Lesion of the Gingiva”. International Journal of Research in Medical Sciences, vol. 3, no. 12, Jan. 2017, pp. 3863-8, doi:10.18203/2320-6012.ijrms20151227.