Aryal, E., Rajbhandari, M. and Bhattarai, S. 2017. Lansoprazole – Induce Black Hairy Tongue- A Case Report. Nepal Journal of Dermatology, Venereology & Leprology. 15, 1 (Aug. 2017), 52–54. DOI:https://doi.org/10.3126/njdvl.v15i1.18054.