Absolute standardizations of 99mTc and 57Co by 4Ï electron-gamma liquid scintillation coincidence counting for SIRTI and SIR comparisons
Keywords: شمارش تصادفی شمع سازی مایع; Liquid scintillation coincidence counting; Extrapolation technique; Technetium-99m; Cobalt-57; SIRTI; SIR;