N. Aslam, M. Asif, A. Nadeem, A. Qureshi, S. Tayyaba, and T. Mahmood, “RADIOGRAPHIC AND CLINICAL ASSESSMENT OF TWO CANALS IN THE MAXILLARY SECOND PREMOLAR”, J Ayub Med Coll Abbottabad, vol. 33, no. No-4, SUPPL.1, pp. 734–737, Nov. 2021.