title: Breaking the rules-Higher urgency listings by exception: Challenges when a child's life is at stake.
authors.affiliation: Division of Cardiology, Department of Pediatrics, Washington University School of Medicine, St. Louis, Missouri, USA. Electronic address: castleberry_c@kids.wustl.edu.
authors.forename: Chesney
authors.initials: C
authors.lastname: Castleberry
mesh_terms: D002648:Child; D016027:Heart Transplantation; D006801:Humans