convenience sample

Gretarsdottir, E., Bjorg Jonsdottir, A., Tomasson, G., Gumundsdottir, E. E., Hjaltadottir, I., Sigurorsdottir, I., Bjork Jakobsdottir, I., Thorsteinsdottir, T. 2017. Feasibility and validity of the InterRAI ED Screener. European Geriatric Medicine. 8 (Supplement 1) S76.