Bataduwaarachchi, V. R.; Weerarathna, C. L.; Paherathy, A.; Warapitiya, D. S.; Sivapathasundaram, M.; Wickramarathna, T. N.; Haputhanthrige, I. U.; Wijayabandara, M. D.; Rameshkumar, T. A Survey on the Knowledge, Perceptions and Practices Regarding Unwanted Medicine Disposal Among Pharmacists in Sri Lanka. Int J Basic Clin Pharmacol 2020, 9, 1002-1006.