Melanogenesis inhibition of β-lapachone, a natural product from Tabebuia avellanedae, with effective in vivo lightening potency - Kim, J H; Lee, S M; Myung, C H; Lee, K R; Hyun, S M; Lee, J E; Park, Y S; Jeon, S R; Park, J I; Chang, S E; Hwang, J S (Arch Dermatol Res, 2015)