Zaid Mohammed , Safi, Al-Shammaa Mohamed Sadoon, and Taha Jenan Hussein. “Comparison of Radiation Dosimetry of PET CT and Ct For Lung and Stomach Wall Organs”. History of Medicine 9, no. 1 (February 28, 2023). Accessed July 14, 2025. https://historymedjournal.com/HOM/index.php/medicine/article/view/765.