1. It is time to address airborne transmission of covid-19;Morawska;Clin Infect Dis,2020
2. Substantial undocumented infection facilitates the rapid dissemination of novel coronavirus (SARS-CoV-2);Li;Science (New York, NY),2020
3. Quantitative assessment of the risk of airborne transmission of SARS-CoV-2 infection: prospective and retrospective applications;Buonanno;medRxiv,2020
4. COVID-19 battle during the toughest sanctions against Iran;Takian;Lancet (London, England),2020
5. Mansouri R, Ghanavati E, Servati MR, The assessment of geomorphological landscapes and geotourism potential role of the ilam province with respect to sustainable development; 2014.