1. Demography of chronic childhood disease 1985;Gortmaker, S.
2. World population projections, 1989;Bulatao, R.; Bos, E.; Stephens, P.; Vu, M.,1990
3. Adolescent psychiatry in Britain: a personal view of its development and present position;Li, Parry-Jones W.;Bulletin of the Royal College of Psychiatrists,1984
4. Report of the committee on the welfare of children in hospital;Platt, H.; chairman,report.)
5. Young people's health-a challenge for society;World Health Organisation,1986