Qiam F, Khalid Rehman, Bushra Mehboob, Muhammad Kamran. AN IN VIVO STUDY TO EVALUATE THE EFFICACY OF ELECTRONIC APEX LOCATORS IN THE DETERMINATION OF WORKING LENGTH. J Khyber Coll Dent [Internet]. 2011 Jun. 30 [cited 2026 Apr. 17];1(02):62-5. Available from: https://journalofkcd.com/kcd/article/view/467