M. Asif, T. Haroon, W. .- ur-R. Qureshi, M. Jamil, S. Malik, and R. Ghani, “CORRELATION OF OPERATIVE FINDINGS WITH PRE-OPERATIVE CLINICAL SIGNS AND ANALYSIS OF X-RAYS IN PATIENTS WITH AIRWAY FOREIGN BODIES”, J Ayub Med Coll Abbottabad, vol. 22, no. 1, pp. 32–34, Mar. 2010.