MONONUCLEATE CELL COLLECTION EFFICIENCY AND RESPONSE TO ECP IN PATIENTS WITH GVHD: SINGLE CENTER EXPERIENCE. - Frappampina, R.; Battista, C.; Citarella, C.; Colonna, M.; Galasso, R.; Giannoccaro, M.; Lippolis, C.; Procacci, R.; Tullo, A.; Ostuni, A. (Transfusion & Apheresis Science, 2026)