Clinical Gastroenterology and Hepatology · 2008 · 25 citations · 35 references
VaricesEsophagusMedicinePatient SafetyClinical EpidemiologyGastroenterologyOutcomes ResearchSurgeryEsophageal Variceal BleedingUnited StatesEsophageal SurgeryEmergency MedicineHospital Medicine
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Comorbidity Measures for Use with Administrative Data
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Surgeon Volume and Operative Mortality in the United States
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Should Operations Be Regionalized?
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