Aggressive Management of Severe Closed Head Trauma:Time for Reappraisal
Lancet 2:369-371, Gibson,R.M.&Stephenson,G.C., 1989
Withholding and Withdrawing Life Sustaining Treatment from Elderly People:Towards Formal Guidelines
BMJ 308:1689-1692, Doyal,L.&Wilsher,D., 1994