K. R. Paudel, S. Baniiwal, U. Pyakurel, M. Bajracharya, and S. Niraula, “Prevalence of complications of simple tooth extractions and its comparison between a tertiary center and peripheral centers: a study conducted over 8,455 tooth extractions”, J Nepal Med Assoc, vol. 46, no. 165, Jan. 2007.