Lakhan P., Jones M., Wilson A., Gray L.C.  2012.  The decline in Activities of Daily Living at Discharge (DADLD) index: stratifying patients at lower and higher risk. J Nutr Health Aging. 16(10):919-24.

Lakhan P., Jones M., Wilson A., Gray L.C.  2013.  The Higher Care At Discharge Index (HCDI): identifying older patients at risk of requiring a higher level of care at discharge. Arch Gerontol Geriatr. 57(2):184-91.