1. Symptoms and suffering at the end of life in children with cancer;Wolfe;N Engl J Med,2000
2. Pediatric palliative care;Gothelf;N Engl J Med,2004
3. Dying and death in childhood and adolescence;Lewis,1996
4. Psychotherapy with the dying child;Sourkes,2000
5. The child's theories concerning death;Nagy;J Genet Psychol,1948