(1)
Dadresanfar, B.; Mehrvarzfar, P.; Saghiri, M. A.; Ghafari, S.; Khalilak, Z.; Vatanpour, M. Efficacy of Two Rotary Systems in Removing Gutta-Percha and Sealer from the Root Canal Walls. Iran Endod J 2011, 6, 69-73.