Farrokhi, M., Yarmohammadi, B. , Mangouri, A. , Hekmatnia, Y. , Bahramvand, Y. , Kiani, M. , Nasrollahi, E. , Nazari-Sabet, M. , Manoochehri-Arash, N. , Khurshid, M. , Mosalanejad, S. , Hajizadeh, V. , Amani-Beni, R. , Moallem, M. and Farahmandsadr, M. 2021. Screening Performance Characteristics of Ultrasonography in Confirmation of Endotracheal Intubation; A Systematic Review and Meta-analysis . Archives of Academic Emergency Medicine. 9, 1 (Oct. 2021), e68. DOI:https://doi.org/10.22037/aaem.v9i1.1360.