Lagishetty Radhakrishna, and Prabhu Nagarajan. “Pharmacist’s Opinion and Practice towards Disposal of Unused Medications in South India”. World Journal of Pharmaceutical Sciences, vol. 3, no. 3, Mar. 2015, pp. 654-7, https://wjpsonline.com/index.php/wjps/article/view/pharmacist-opinion-practice-towards-disposal-unused-medications.