Oral nutrition supplements compared with between-meal snacks for nutritional therapy in patients with copd identified as at nutritional risk: A randomised controlled feasibility trial. (September 2018) - Ingadottir, A.R.; Beck, A.M.; Baldwin, C.; Weekes, C.E.; Geirsdottir, O.G.; Ramel, A.; Gislason, T.; Gunnarsdottir, I.