PROSIDING: Justification Of Medical Exposure In Diagnostic Imaging - O. Holmberg,J. Malone,S. Sia,W.R. Hendee,P. Rickwood,E. Picano,P.W. Horton,P. Smeesters, T. Kiffe, D. Remedios,J. Mayo, J. Chen,C.H. McCollough, J.G. Fletcher, J.A. Brink.E. Picano,J.P. Matushita (INTERNATIONAL ATOMIC ENERGY AGENCY, 2011)