by Olsen, C.C., M.D, Welsh, J., M.D, Kavanagh, B.D., M.D, Franklin, W., M.D, McCarter, M., M.D, Cardenes, H.R., M.D, Gaspar, L.E., M.D, Schefter, T.E., M.D
Published in International journal of radiation oncology, biology, physics (01.04.2009)