title: Throwing a downfield block.
authors.affiliation: Division of Pulmonary, Critical Care, and Occupational Medicine, University of Iowa Hospitals and Clinics 52240, USA.
authors.forename: T J
authors.initials: TJ
authors.lastname: Gross
authors.forename: L M
authors.initials: LM
authors.lastname: Lee
mesh_terms: D000293:Adolescent; D001017:Aortic Coarctation / Q000150:complications / Q000175:diagnosis*; D006337:Heart Murmurs / Q000209:etiology; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D010808:Physical Examination; D013902:Radiography, Thoracic; D013178:Sports Medicine