TGF-(beta1) Enhances the Expression of alfa-Smooth Muscle Actin in Cultured Human Pulpal Fibroblasts: Immunochemical and Ultrastructural Analyses - Marinez, Elizabeth F.; Araujo, Vera Cavalcanti de; Sousa, Suzana Catanhede Orsini Machado de; Arana Chavez, Victor Elias (Journal of Endodontics, 2007)