title: American Society of Pediatric Hematology/Oncology 17th Annual Meeting. San Francisco, California, USA. April 29 - May 2, 2004. Abstracts.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006402:Hematologic Diseases; D006405:Hematology; D006801:Humans; D007223:Infant; D008495:Medical Oncology; D009369:Neoplasms