Taraz, M. , Farnaghi, F. , Hassanian-Moghaddam, H. and Gachkar, L. 2021. The evaluation level of carboxyhemoglobin in children blood<3y-14y> with chief complain of headache, nausea, and dizziness referring to pediatric clinics of Loghman hakim hospital in year 2018-2019. Researcher Bulletin of Medical Sciences. 25, 1 (Sep. 2021), e22.