R. Shah, S. Karki, S. Parajuli, P. Bhattarai, and P. Chowdhary, “Pharmacovigilance by World Health Organisation Uppsala Monitoring Center Causality Assessment Algorithm in Medicine Ward of Tertiary Care Hospital of New Delhi”, Birat J. Health Sci., vol. 1, no. 1, pp. 61–64, Mar. 2017.