By Yun Huifeng   in Health Services and Outcomes Research Methodology

ISSN:1387-3741|10|1-2|100-110

Springer Publishing Company ‎(2010)‎

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By Gray Stephen H.   Hawn Mary T.   Kilgore Meredith L.   Yun Huifeng   Christein John D.   in The American Surgeon

ISSN:1555-9823|74|7|602-606

Southeastern Surgical Congress‎(2008)‎

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