Prof. Seema Saini, Dr. Paresh Golwala, Dr. Lata Parmar, Dr. Devashish Tiwari, Dr. Tushar J Palekar. “Role of Psychological Distress, Catastrophizing and Fear Avoidance Belief in Chronic Low Back Pain: Clinical Review”. 2021. Drugs and Cell Therapies in Hematology, vol. 10, no. 1, Aug. 2021, pp. 1304-11, http://dcth.org/index.php/journal/article/view/252.