Pinheiro MLP, Lopes-Rocha R, Andrade ED de. Periapical injection of betamethasone to control postoperative pain in emergency endodontic care - a randomized double blind clinical trial. Braz. J. Oral Sci. [Internet]. 2017 Aug. 11 [cited 2024 Apr. 28];15(3):209-14. Available from: https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8649983