Ahmed, S.K.A., Ullah, S.S., Bhuyan, K., Deka, M.K. and Sheikh, S.A. 2021. Spectrum of pigmented lesions of skin: a retrospective study in a tertiary health care of Southern Assam. International Journal of Research in Medical Sciences. 9, 4 (Mar. 2021), 1117–1121. DOI:https://doi.org/10.18203/2320-6012.ijrms20211361.