4Zi SX, Ma HJ, Li Y, et al. Oligomeric proanthocyanidins fromgrape seeds effectively inhibit ultraviolet-induced melanogenesisof human melanocytes in vitro [J]. Int J Mol Med, 2009,23(2):197-204.
5Bhol KC, Schechter PJ. Topical nanocrystalline silver creamsuppresses inflammatory cytokines and induces apoptosisof inflammatory cells in a murine model of allergic contactdermatitis [J]. Br J Dermatol, 2005,152(6):1235-1242.