Salih S.A, Paul S., Klein K., Lakhan P., Gray L..  2012.  Screening for Delirium within the interRAI Acute Care Assessment System. Journal of Nutrition, Health and Aging. 16(8):695-700.

Travers C., Byrne G., Pachana N., Klein K., Gray L..  2012.  A prospective observational study of dementia and delirium in the acute hospital setting. Internal medicine journal. 

Travers C., Byrne G., Pachana N., Klein K., Gray L..  2013.  Prospective observational study of dementia and delirium in the acute hospital setting. Intern Med J. 43(3):262-9.

Travers C., Byrne G.J, Pachana N.A, Klein K., Gray L..  2013.  Validation of the interRAI Cognitive Performance Scale against Independent Clinical Diagnosis and the Mini-Mental State Examination in Older Hospitalized Patients. Journal of Nutrition, Health and Aging. 17(5):435-9.

Travers C., Byrne G.J, Pachana N.A, Klein K., Gray L..  2013.  Delirium in Australian hospitals: a prospective study. Current gerontology and geriatrics research. 2013:284780.

Travers C., Byrne G.J, Pachana N.A, Klein K., Gray L.C.  2014.  Prospective observational study of dementia in older patients admitted to acute hospitals. Australas J Ageing. 33(1):55-8.

Wright O.R.L., Klein K., Lakhan P., Vivanti A.P., Gray L.C..  2015.  Development of an integrated screener for undernutrition within a comprehensive geriatric assessment system. Journal of Aging Research and Clinical Practice. 4(1):25-33.