American Society of Pediatric Hematology/Oncology
   Professional group that studies and treats childhood cancer and blood diseases.
   http://www.aspho.org/

Association of Pediatric Oncology Social Workers
   Committed to enhancing the emotional and physical well-being of children with cancer and their families.
   http://www.aposw.org/

Mayo Clinic: Division of Pediatric Hematology and Oncology
   Overview of the clinic, patient stories, diseases, treatment, services, and contact information. [Rochester, Minn]
   http://www.mayoclinic.org/pediatric-hematology-oncology-rst/

NCI-CCR: Pediatric Oncology Branch
   Provides patients, families and physicians with an overview of the type of treatments available for children with cancer and current research being conducted. [Bethesda, Maryland]
   http://home.ccr.cancer.gov/oncology/pediatric/

Oxford Journals: Principles and Practice of Pediatric Oncology
   Discussion of the collaborative approach to reduce childhood cancer and improve the quality of life of children during and after treatment.
   http://annonc.oxfordjournals.org/cgi/content/full/14/4/661-a

Penn State Children's Hospital: Pediatric Hematology/Oncology
   Uses the team approach to treat children with cancer and blood disorders. Includes staff, services, stem cell information, and resources. [PA]
   http://www.hmc.psu.edu/hematology/

University of Rochester Medical Center: Pediatric Hematology/Oncology
   Description of the group's activities, professional biographies of the health-care providers, and links to information on clinical services and the fellowship program.[New York]
   http://www.urmc.rochester.edu/gchas/div/hemonc/