Brand CA, Martin-Khan M, Wright O, Jones RN, Morris JN, Travers CM, Tropea J, Gray LC.  2011.  Development of quality indicators for monitoring outcomes of frail elderly hospitalised in acute care health settings: study protocol. BMC Health Services Research. 11:281.

Heckman G, Gray LC, Hirdes J.  2013.  Addressing health care needs for frail seniors in Canada: the role of interRAI instruments. Canadian Geriatrics Society Journal of CME. 30(1):8-16.

Lakhan P, Jones M, Wilson A, Courtney M, Hirdes J, Gray LC.  2011.  A prospective cohort study of geriatric syndromes among older medical patients admitted to acute care hospitals. Journal of the American Geriatrics Society. 59(11):2001-8.