COMPARISON OF EFFECTIVENESS OF MINERAL TRIOXIDE AGGREGATE AND CALCIUM HYDROXIDE IN APEXIFICATION PROCEDURE.Published in:Pakistan Oral & Dental Journal, 2018, v. 38, n. 2, p. 262By:TIRMAZI, SOBIA MASOOD;MAJEED, HANNA ABDUL;SHERAZI, UMME RUBAB;MUNIR, BADERPublication type:Article