Sinny Goel, et al. “Effects of Mycophenolate Mofetil, Methotrexate and Pimecrolimus on Cdk4 and p16 in Oral Lichen Planus”. Research Developments in Medicine and Medical Science Vol. 5, Mar. 2023, pp. 179-90, doi:10.9734/bpi/rdmms/v5/17739D.