Safarpour, Mehdi, Akbar Fotouhi, Seyed Reza Hosseini, Masume Mohamadzade, and Ali Bijani. “Predictors of Orthostatic Hypotension in the Elderly: Results from the Amirkola Health and Ageing Project (AHAP) Study”. The Journal of Tehran University Heart Center 14, no. 4 (October 19, 2019): 165-170. Accessed August 15, 2020. https://jthc.tums.ac.ir/index.php/jthc/article/view/899.