title: Variation in health care delivery: the example of exception awards in liver transplantation.
authors.forename: R B
authors.initials: RB
authors.lastname: Freeman
mesh_terms: D058625:End Stage Liver Disease / Q000601:surgery*; D005260:Female; D006801:Humans; D016031:Liver Transplantation / Q000706:statistics & numerical data*; D008297:Male; D018579:Patient Selection; D009927:Tissue and Organ Procurement / Q000706:statistics & numerical data*; D014850:Waiting Lists / Q000401:mortality*