Shalavi S, Mohammadi Z, Abdolrazzaghi M. Root canal treatment of maxillary and mandibular three-rooted premolars: a case report. Iran Endod J [Internet]. 2012 Jul. 21 [cited 2024 May 6];7(3):161-4. Available from: https://journals.sbmu.ac.ir/iej/article/view/2532