Pongsawad, Nopparat, Potjanee Kanchanapiboon, Pornpis Boonkorn, Kittaya Boonnut, Nattapat Jantarnool, and Rujaporn Chanachai. 2013. “Studies of Quality Control Data under NEMA NU1-2001 to Evaluate the Performance of Gamma Camera”. Journal of Associated Medical Sciences 46 (3):215. https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/60011.