RT Journal Article SR Electronic T1 Examining patterns of frailty and associated factors in older adults JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 53 OP 53 DO 10.1136/ebnurs-2020-103348 VO 25 IS 2 A1 Margaret Dunham YR 2022 UL http://ebn.bmj.com/content/25/2/53.abstract AB