Frailty degree and illness trajectories in older people towards the end-of-life: a prospective observational study
Jordi Amblàs-Novellas, Scott A Murray, Ramon Oller, Anna Torné, Joan Carles Martori, Sébastien Moine, Nadina Latorre-Vallbona, Joan Espaulella, Sebastià J Santaeugènia, Xavier Gómez-Batiste
BMJ Open Apr 2021, 11 (4) e042645; DOI: 10.1136/bmjopen-2020-042645