DETECTING UNSUSPECTED FRAILS PATIENTS WITH A SIMPLE CLINICO-BIOLOGICAL TOOL AMONG ELDERLY PATIENTS SUFFERING FROM HEMOPATHIES: THE HEMA-4 STUDY. (November 2019) - Thibaud, V.; Piron, A.; Kenis, C.; Delforge, M.; Dal Lago, L.; Borghgraef, C.; Wilders, H.; Pepersack, T.; De La Chapelle, T.Lamy; Bron, D.