1. Asthma;COHEN, S.A.M.U.E.L.I.,1977
2. Autistic hostility and social reality;NEWCOMB, T.M.;Human Relations,1947
3. Hospital Attitudes and Communications;REVANS, R.W.,1962
4. Sociological Review: Monograph No;TwYcRoss, R.G.;British Medical Journal; Diseases of the central nervous system. Relief of terminal pain,1975