Centers for Disease Control and Prevention, National Center for Health Statistics, Division of Health Care Statistics : Data from the National Hospital Discharge Survey. Atlanta, Ga, Centers for Disease Control and Prevention , 1996.
2.
Children's Hospital Boston : Spotlight: Our Child Life Specialists. http://www.childrenshospital.org/patientsfamilies , 2007.
3.
Zelikovsky N. , Rodrigue J. , Gidycz C. , Davis M. : Cognitive behavioral and behavioral interventions help young children cope during a voiding cystourethrogram . J Pediatr Psychol2000;25: 535—543 .