V.Divyadharsini, and T.N. Uma Maheswari. “Lycopene And Vitamin E Combination for The Management Of Oral Potentially Malignant Disorders – A Systematic Review”. Journal of Population Therapeutics and Clinical Pharmacology, vol. 30, no. 10, May 2023, pp. 187-96, https://doi.org/10.47750/jptcp.2023.30.10.023.