Baratloo, Alireza, Modhamadi, Mobin, Mohammadi, Mohammad, Toloui, Amirmohammad, Neishaboori, Arian Madani, Alavi, Seyedeh Niloufar Rafiei, Nahiyeh, Ali and Yousefifard, Mahmoud (2022) The value of predictive instruments in the screening of acute stroke: an umbrella review on previous systematic reviews. Frontiers in Emergency Medicine, 6 (3).