Determination of the p-monochlorophenol residue in the calcium hydroxide + p-monochlorophenol combination used as an intracanal dressing in pulpless teeth of dogs with induced chronic periapical lesion - Alencar, A H G; Leonardo, M R; Silva, Lea Assed Bezerra da; Silva, Roberto Santana; Ito, Izabel Yoko (Journal of Endodontics, 1997)