Thomas, Abhilash, Satendra K Dubey, Malay K. Samanta, Anu Alex, and Sanesh P. Jose. 2016. “ASSESSMENT OF PSYCHOLOGICAL STRESSORS OF DEPRESSION AND ANXIETY USING DEPRESSION ANXIETY STRESS SCALE-21 IN SOUTH INDIAN HEALTHY VOLUNTEERS”. International Journal of Pharmacy and Pharmaceutical Sciences 8 (5):288-95. https://journals.innovareacademics.in/index.php/ijpps/article/view/11212.