Intra- and interobserver reliability of gray scale/dynamic range evaluation of ultrasonography using a standardized phantom
Song Lee, Joon-Il Choi, Michael Yong Park, Dong Myung Yeo, Jae Young Byun, Seung Eun Jung, Sung Eun Rha, Soon Nam Oh, Young Joon Lee
Ultrasonography. 2014;33(2):91-97.   Published online 2014 Feb 26     DOI:
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