EP-1645: Dosimetric comparison of VMAT and pencil beam scanning proton therapy for abdominal pediatric tumors. (April 2018) - Guerreiro, F.; Seravalli, E.; Janssens, G.O.; Maduro, J.H.; Brouwer, C.L.; Korevaar, E.W.; Knopf, A.C.; Raaymakers, B.W.