S. S. Qazi, M. A. Manzoor, R. Qureshi, B. Arjumand, S. M. Hussain, and Z. Afridi, “NONSURGICAL ENDODONTIC MANAGEMENT OF CUTANEOUSLY DRAINING ODONTOGENIC SINUS”, J Ayub Med Coll Abbottabad, vol. 18, no. 2, pp. 88–89, Apr. 2006.