Benger, J. R., Huntley, A. L., Chalder, M., Shaw, A. R. G., Hollingworth, W., Metcalfe, C., & Purdy, S. (2017). A systematic review to identify and assess the effectiveness of alternatives for people over the age of 65 who are at risk of potentially avoidable hospital admission. BMJ Open, 7(7), e016236. https://doi.org/10.1136/bmjopen-2017-016236