Nazish Abbas, and Rawshan Jabeen. “Hardships of Drugs Monitoring – Ambiguities in Pharmacovigilance (PV) Rules 2018 and Guidelines 2019 in the Pakistan”. Journal of the Pakistan Medical Association, vol. 71, no. 10, Aug. 2021, pp. 2481-2, doi:10.47391/JPMA.01-131.