... this article as: Bruzzaniti et al.: IsoBED: a tool for automatic calculation of biologically equivalent fractionation schedules in radiotherapy using IMRT with a simultaneous integrated boost (SIB) technique. ... software: VB andMP. Analysis and interpretation of the data using IsoBED: AA, LS, MP and VB.Drafting of the manuscript: VB, AA, MB and LS. Final approval of the article:All authors read and approved ... fractionation schedules in radiotherapy using IMRT with a simultaneous integrated boost (SIB) techniqueVicente Bruzzaniti*, Armando Abate, Massimo Pedrini, Marcello Benassi and Lidia StrigariAbstractBackground:...