Nowshin, Iffat, and Farhana Kabir. “The Silent Geriatric Giant- Anxiety Disorders in Late Life”. Bangladesh Journal of Physiology and Pharmacology 29, no. 1-2 (August 18, 2014): 29–31. Accessed June 26, 2022. https://banglajol.info/index.php/BJPP/article/view/20065.