Bahremand, M., Saeidi, M., & Komasi, S. "How Effective Is the Use of Metaphor Therapy on Reducing Psychological Symptoms and Pain Discomfort in Patients with Non-Cardiac Chest Pain: A Randomized, Controlled Trial", Journal of Cardio-Thoracic Medicine, 4, 2, 2016, 444-449. doi: 10.22038/jctm.2016.6958