Effect of a calcium-channel blocker (verapamil) on the morphology, cytoskeleton and collagenase activity of human skin fibroblasts - Boggio, Ricardo Frota; Freitas, Vanessa Morais; Cassiola, Flávia M.; Urabayashi, Marcel Shiniti; Machado-Santelli, Glaucia Maria (Burns, 2011)