Mustafa Ali Abdulrahman, M. Adnan Telfah Mohmed and Raghad Mohammed Abdul Rahman 2023. Physiological and biochemical study of the effect of Anxiety exam in the blood of students. Tikrit Journal of Pure Science. 20, 1 (Feb. 2023), 103–108. DOI:https://doi.org/10.25130/tjps.v20i1.1142.