A diagnostic method for assessing regional variations in crop yield
نویسندگان
چکیده
منابع مشابه
Regional variations in diagnostic practices.
BACKGROUND Current methods of risk adjustment rely on diagnoses recorded in clinical and administrative records. Differences among providers in diagnostic practices could lead to bias. METHODS We used Medicare claims data from 1999 through 2006 to measure trends in diagnostic practices for Medicare beneficiaries. Regions were grouped into five quintiles according to the intensity of hospital ...
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ژورنال
عنوان ژورنال: Agricultural Systems
سال: 1997
ISSN: 0308-521X
DOI: 10.1016/s0308-521x(96)00084-4