Bianca Mary Jacob, S. Shree Lakshmi, Sindhu R., D. Prabu, Raj Mohan, M. Dinesh Dhamodhar, Bharathwaj V.V. “The Effectiveness Of Pilocarpine On Opioid-Induced Xerostomia – A Systematic Review”. Drugs and Cell Therapies in Hematology 10, no. 1 (August 18, 2021): 1511–1521. Accessed May 5, 2024. http://dcth.org/index.php/journal/article/view/293.