title: International working group on adolescent/teenage and young adult oncology. Preface.
authors: Department of Hematology/Oncology, McMaster Children's Hospital, 1200 Main Street, West Hamilton, Ontario, Canada L8S 4J9. rbarr@mcmaster.ca
authors: Ronald
authors: R
authors: Barr
authors: Tim
authors: T
authors: Eden
mesh_terms: D000293:Adolescent; D000295:Adolescent Medicine; D006801:Humans; D008495:Medical Oncology; D009369:Neoplasms