title: Different worlds (Vive la différence!).
authors: Division of Cardiology, Children's Hospital, Boston, MA 02115, USA. johnathan.rhodes@cardio.chboston.org
authors: Jonathan
authors: J
authors: Rhodes
mesh_terms: D000328:Adult; D035843:Biomedical Research; D002309:Cardiology / Q000592:standards; D002648:Child; D035081:Editorial Policies; D005081:Exercise Therapy; D006330:Heart Defects, Congenital / Q000534:rehabilitation*; D006801:Humans; D010372:Pediatrics / Q000592:standards; D016032:Randomized Controlled Trials as Topic; D012107:Research Design