Padmapriya, N., and K. Karthikeyan. “Oral Lichen Planus With Linear Lichen Planus: A Rare Association”. International Journal of Research in Dermatology, vol. 5, no. 2, Apr. 2019, pp. 429-30, doi:10.18203/issn.2455-4529.IntJResDermatol20191776.