Stepinac, T.Grosjean, P.Woodtli, A.Monnier, P.van den Bergh, H.Wagnieres, G.2007-07-202007-07-202007-07-20200210.1055/s-2002-25280https://infoscience.epfl.ch/handle/20.500.14299/9674WOS:000175380500011216Photomedicine groupOptimization of the diameter of a radial irradiation device for photodynamic therapy in the esophagustext::journal::journal article::research article