Mohammd, Taghreed U., et al. “Isolation and Partial Purifiction of Arginase from Sera of Women With Uterine Fibroids”. Ibn AL-Haitham Journal For Pure and Applied Sciences, vol. 28, no. 2, Mar. 2017, pp. 116-25, https://jih.uobaghdad.edu.iq/index.php/j/article/view/181.