1. Barness LA (1994) The pediatric history and physical examination. In: Oski FA (ed) Principles and practice of pediatrics, 2nd edn. Lippincott, Philadelphia, pp 29–44
2. Gleason MM, Prachis, MM, Boris NW (2007) Psychologic disorders. In: Behrman RE (ed) Nelson textbook of pediatrics 18th edn. Saunders, Philadelphia, pp 101–105
3. Green M (1992) Pediatric diagnosis: interpretation of symptoms and signs in infants, children and adolescents, 5th edn. Saunders, Philadelphia
4. Messinger R, Davidson PN, Hoekelman RA (1992) Communication with parents and patients. In: Hoekelman RA (ed) Primary pediatric care, 2nd edn. Mosby, St. Louis, pp 135–137