Sunkara, Hari Priya, Krishna Rajesh Kilaru, Adusumilli Pramod Kumar, Hari Babu Ramineni, and Puvvada Rahul Krishna. 2020. “A Case Report on Hydroquinone Induced Exogenous Ochronosis”. International Journal of Advances in Medicine 7 (2):337-39. https://doi.org/10.18203/2349-3933.ijam20200091.