Malhotra, M. K., R. Singal, K. Chowdhary, R. G. Sharma, S. Sharma, and A. Dhankhar. “Spectrum of Perforation Peritonitis in a Rural Medical College”. Bangladesh Journal of Medical Science, vol. 15, no. 1, Apr. 2016, pp. 70-73, doi:10.3329/bjms.v15i1.20857.