Lee, J. H.Hwang, W. S.Kotler, L. H.Webb, D. V.Buermann, L.Burns, D. T.Takeyeddin, M.Shaha, V. V.Srimanoroth, S.Meghzifene, A.2010-06-112010-06-112008http://hdl.handle.net/123456789/25494047 bytestext/htmlenAPMP/TCRI key comparison reportmedium-energy x-raysair kermaAPMP member laboratoryAPMP/TCRI key comparison report of measurement of air kerma for medium-energy x-raysArticle