Sand JM, Bin Hafeez B, Jamal MS, Witkowsky O, Siebers EM, Fischer J, Verma AK. Plumbagin (5-hydroxy-2-methyl-1,4-naphthoquinone), isolated from Plumbago zeylanica, inhibits ultraviolet radiation-induced development of squamous cell carcinomas. Carcinogenesis. 2012 Jan;33(1):184-90.
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