Talaee Boura, Fatemeh, Seyed Reza Hosseini, Simin Mouodi, Reza Ghadimi, and Ali Bijani. 2021. “Frailty Syndrome in Older Adults and Related Sociodemographic Factors in the North of Iran: A Population-Based Study ”. Iranian Red Crescent Medical Journal 23 (1). https://doi.org/10.32592/ircmj.2021.23.1.249.