%0 Journal Article %T Survey Result of the Counting Efficiency of Gamma Counter by Certified Reference Materials %A Geyoung Woon Noh %A Ho-Young Lee %A Jeong Mi Park %A Ji-In Bang %A June Kee Yoon %J Archive of "Nuclear Medicine and Molecular Imaging". %D 2018 %R 10.1007/s13139-018-0515-z %X The counting efficiency of 44 gamma counters from 23 institutions. The counting efficiency of 44 gamma counters from 23 institutions was demonstrated as graph. The mean (circle) and range (bar) of percent counting efficiency were shown for each gamma camera from each institutio %K Radioimmunoassay %K Immunoradiometric assay %K Efficiency %K Quality control %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5995781/