Assigning Appropriateness Ratings for Diagnostic Upper Gastrointestinal Endoscopy Using Two Different Approaches
Autor: | Kahn, Katherine L., Park, R. E., Vennes, Jack, Brook, Robert H. |
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Zdroj: | Medical Care, 1992 Nov 01. 30(11), 1016-1028. |
Databáze: | JSTOR Journals |
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