Navikhacheevin ฉัตรชัย, Ketnawa แสงจันทร์, Siritranont นนทชา, Phutaniyom ภัคภร, and Tepmongkol สุภัทรพร. “A Study of Technetium-99m Red Blood Cell Labeling Efficiency in Normal Subjects for LVEF at King Chulalongkorn Memorial Hospital”. The Thai Journal of Radiological Technology 43, no. 1 (December 28, 2018): 57–63. Accessed July 1, 2022. https://he02.tci-thaijo.org/index.php/tjrt/article/view/246334.