In vitro antimicrobial activity of Gutta-Percha cones containing calcium hydroxide and chlorhexidine. - Pappen, F. G.; Tanomaru, JMG; Tanomaru, M.; Spolidório, Denise Madalena Palomari [UNESP]; Ito, I. Y. (Int Amer Assoc Dental Researchi, 2003)