Farid, Z.; Siddiqeh, M.; Aziz, R.; -Fayaz, F.-. e; Khurshid, H.; Khan, L. S.; Rehman, J. A. EVALUATION OF THE EFFICACY OF CARDIAC SURGICAL ORIENTATION VIDEO IN DECREASING PREOPERATIVE ANXIETY IN PAKISTANI POPULATION. Pak Armed Forces Med J 2020, 70 (4), 916-22.