Kalan Farmanfarma, Khadijeh, Alireza Moslem, Fereshteh Ghorat, Mohammad Nematshahi, Azam Moslem, Hamid Salehiniya, and Neda Mahdavifar. “The Index Case of COVID-19 in Northeastern Iran”. Monaldi Archives for Chest Disease 90, no. 4 (December 3, 2020). Accessed April 19, 2024. https://www.monaldi-archives.org/macd/article/view/1593.