Kalan Farmanfarma K, Moslem A, Ghorat F, Nematshahi M, Moslem A, Salehiniya H, et al. The index case of COVID-19 in Northeastern Iran. Monaldi Arch Chest Dis [Internet]. 2020 Dec. 3 [cited 2024 Nov. 25];90(4). Available from: https://www.monaldi-archives.org/macd/article/view/1593