SHOVNA SHIVANI MISHRA, and T.N. UMA MAHESWARI. “LOCAL DRUG DELIVERY IN THE TREATMENT OF ORAL LICHEN PLANUS: A SYSTEMATIC REVIEW”. International Journal of Pharma and Bio Sciences, vol. 5, no. 4, Dec. 2014, pp. 716-21, https://ijpbs.net/index.php/journal/article/view/3709.