Kumar, Akhilesh, and Anubhuti Khare. “Assessment of Awareness and Attitudes towards Over the Counter Drugs Among Urban Population: An Analytical Questionnaire Study”. International Journal of Medical Science and Clinical Invention 5, no. 8 (August 30, 2018): 4004–4005. Accessed March 28, 2024. http://valleyinternational.net/index.php/ijmsci/article/view/1435.