Outpatient care of selected patients with acute non-variceal upper gastrointestinal haemorrhage

The Distinction Between Cost and Charges

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Does inappropriate use explain geographic variations in the use of health care services? A study of three procedures.

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Epidemiology of hospitalization for acute upper gastrointestinal hemorrhage: a population-based study.

G F Longstreth · PubMed · 1995 · 589 citations

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Hospital Use and Mortality among Medicare Beneficiaries in Boston and New Haven

John E. Wennberg, Jean L. Freeman, Roxanne M. Shelton et al. · New England Journal of Medicine · 1989 · 352 citations

Public Affairs, Health Policy, Healthcare Administration +12

Epidemiology of upper gastrointestinal bleeding.

David Gilbert · PubMed · 1991 · 176 citations

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