RAMAZANI, M.; HAMIDI, M. R.; MOGHADDAMNIA, A. A.; RAMAZANI, N.; ZARENEJAD, N. The Prophylactic Effects of Zintoma and Ibuprofen on Post-endodontic Pain of Molars with Irreversible Pulpitis: A Randomized Clinical Trial. Iranian Endodontic Journal, v. 8, n. 3, p. 129-135, 15 Jul. 2013.