Development of an ultra-thin parallel plate ionization chamber for dosimetry in FLASH radiotherapy. 

Faustino Gómez, Diego M Gonzalez-Castaño, Nicolás Gómez Fernández, Juan Pardo-Montero, Andreas Schüller, Alessia Gasparini, Verdi Vanreusel, Dirk Verellen, Giuseppe Felici, Rafael Kranzer, Jose Paz-Martín.