D., Chaithanya Dixith, Amruth Kumar N, Thiruvengada Rajan V.S, Angala Parameswari S, and Madhusudhana Chetty C. 2016. “Review on OTC Products and Their Effect ”. International Journal of Research in Phytochemistry and Pharmacology 6 (3), 64-71. https://scienztech.org/index.php/ijrpp/article/view/909.