Bhasin, S.K., Sharma, V. and Azad, T.P. 2017. Primary peritoneal drainage in critically ill patients of perforation peritonitis (an experience of 60 cases). International Surgery Journal. 4, 6 (May 2017), 2030–2036. DOI:https://doi.org/10.18203/2349-2902.isj20172407.