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Yuli Marlina Tobing, Linda Chiuman, Sahna Ferdinand Ginting, Chrismis Novalinda Ginting. The Effect of Black Cumin Extract Cream (Nigella Sativa) on Melanin Pigment Level in Rats (Rattus Norvegicus) Exposed with Ultraviolet-B Rays. Int. J. Res. Pharm. Sci. [Internet]. 2020 Oct. 10 [cited 2024 Nov. 21];11(4):5221-4. Available from: https://ijrps.com/home/article/view/680