Al-Khafaji, Khitam R. “The Immunohistochemical Expression of Vascular Endothelial Growth Factor in Gastrointestinal Stromal Tumor. A Clinicopathological Study”. Journal of the Faculty of Medicine Baghdad, vol. 56, no. 3, Oct. 2014, pp. 301-4, https://doi.org/10.32007/jfacmedbagdad.563506.