@article{Sezgin2019,
author = {Sezgin, D. and O’Donovan, M. and Cornally, N. and Liew, A. and O’Caoimh, R.},
title= {Defining frailty for healthcare practice and research: A qualitative systematic review with thematic analysis},
year = {2019},
doi = {10.1016/j.ijnurstu.2018.12.014},
volume = {92},
pages = {16--26},
}