Awikunprasert, Panatsada, Parita Usongtham, and Jintana Pooyodta. 2014. “Acrylic Tc-99m Flood Field Phantom for the Quality Control of a Cardiac Single Photon Emission Computed Tomography”. Srinagarind Medical Journal 29 (2):138-44. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/18264.