Stewart K, Challis D., Carpenter G.I, Dickinson E.J.  1999.  Assessment approaches for older people receiving social care: content and coverage.. International Journal of Geriatric Psychiatry. 14(2):147-156.

Carpenter G.I, Turner G.F, Fowler R.W, Bray P., Carpenter B., Dickinson E.J, Gonsalkorale M., Main A., McElligott G., Morris S. et al..  1997.  Casemix for inpatient care of elderly people: Rehabilitation and post-acute care. Age & Ageing. 26(2):123-131.