A Comparison Effect of Dysmenorrhea and Secondary Amenorrhea in the Concentration of Some Biochemical and Some Hormones in Women in Tikrit City. Tikrit J. Pure Sci. [Internet]. 2019 Apr. 15 [cited 2026 Nov. 8];24(2):37-42. Available from: https://www.tjpsj.org/index.php/tjps/article/view/349