Acharya, R., and A. Rijal. 2016. “Occurrence of Acanthosis Nigricans, A Benign Condition or Associated With Systemic Disease. A Case-Control Study”. Nepal Journal of Dermatology, Venereology &Amp; Leprology 14 (1):37-43. https://doi.org/10.3126/njdvl.v14i1.15836.