GHAFFAR, R., S. Shah, M. Rehan, A. Khan, and Z. Awan. “INDICATIONS OF TRANSESOPHAGEAL ECHOCARDIOGRAPHY IN A TEACHING HOSPITAL OF PESHAWAR”. KHYBER MEDICAL UNIVERSITY JOURNAL, Vol. 5, no. 2, June 2013, https://www.kmuj.kmu.edu.pk/article/view/81-85.