Gupta Akanksha, Prakash Sasankoti Mohan Ravi, Kamarthi Nagaraju, Malik Sangeeta, Goel Sumit, Gupta Swati, Serum Vitamin D Level in Oral Lichen Planus Patients of North India- A Case-Control Study., Journal of Dermatologic Research And Therapy, Volume 1, Issue 2, 2017, Pages 19-35, ISSN 2471-2175, https://doi.org/10.14302/issn.2471-2175.jdrt-17-1481. (https://openaccesspub.orgjdrt/article/471) Keywords: Lichen planus; Vitamin D; autoimmune disorders; psychosocial factors; meteorological influences.