Radiation and dose-densification of R-CHOP in aggressive B-cell lymphoma with intermediate prognosis: the UNFOLDER Study - Thurner, Lorenz; Ziepert, Marita; Berdel, Christian; Witzens-Harig, Mathias; Metzner, Bernd; Lengfelder, Eva; Griesinger, Frank (HemaSphere, 2023)