title: 50 Years Ago in TheJournal ofPediatrics: Comparison of Work Required by Normal Children and Those with Congenital Heart Disease to Participate in Childhood Activities.
authors.affiliation: Rocky Mountain Hospital for Children, Denver, Colorado.
authors.forename: Reginald L
authors.initials: RL
authors.lastname: Washington
mesh_terms: D002648:Child; D004734:Energy Metabolism / Q000502:physiology; D015444:Exercise / Q000502:physiology*; D006330:Heart Defects, Congenital / Q000266:history / Q000503:physiopathology*; D049673:History, 20th Century; D006801:Humans; D010101:Oxygen Consumption / Q000502:physiology*; D010372:Pediatrics / Q000266:history*