00364nas a2200121   4500000000100000008004100001100001100042700001300053700001300066700001400079245013500093022001400228       2019                            d1 aL. Han1 aA. Clegg1 aT. Doran1 aL. Fraser00aThe impact of frailty on healthcare resource use: a longitudinal analysis using the Clinical Practice Research Datalink in England  a0002-0729