1. Age limits of pediatrics;Pediatrics,1988
2. Age limits of pediatrics;Pediatrics,1972
3. The adolescent and young adult with heart disease;Allen;Am J Dis Child,1985
4. Leaving the pediatrician for the internist;Barbero;Ann Intern Med,1982
5. Crossings: A Manual for Transition of Chronically 111 Youth to Adult Health Care;Bronheim,1988