Navikhacheevin, C. , Ketnawa, S., Siritranont, N., Phutaniyom, P. and Tepmongkol, S. 2018. 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, 1 (Dec. 2018), 57–63.