Journal of Gastroenterology and Hepatology · 2004 · 50 citations · 15 references
This is the first time that the structure and range of outpatient treatment costs for IBD have been demonstrated for a German hospital.
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Development of a Crohn's disease activity index. National Cooperative Crohn's Disease Study.
William R. Best, Jack M. Becktel, John W. Singleton et al. · PubMed · 1976 · 3.2K citations