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To determine the impact of the Fontan operation on exercise tolerance and on the cardiorespiratory response to exercise, we compared the results of graded exercise to maximal effort of 81 patients(More)
OBJECTIVE To determine the extent and severity of obesity-related cardiorespiratory morbidity in children with body mass index (BMI) >or=40 kg/m(2). STUDY DESIGN Cross-sectional analysis of a(More)