RT Journal Article SR Electronic T1 Urgent need for integrating physical exercise into geriatric medicine: a call to action JF British Journal of Sports Medicine JO Br J Sports Med FD BMJ Publishing Group Ltd and British Association of Sport and Exercise Medicine SP 953 OP 954 DO 10.1136/bjsports-2023-106912 VO 57 IS 15 A1 Izquierdo, Mikel A1 Fiatarone Singh, Maria YR 2023 UL http://bjsm.bmj.com/content/57/15/953.abstract AB