determining physicians' knowledge and attitudes when prescribing drugs to treat gastrointestinal disorders.peptic ulcer disease (pud) affects 10% to 15% of the us population. the causes of pud are many, including high acid production, low bicarbonate secretion, and infection due to helicobacter pylori. in 1992, the vermont medicaid program noted a significant increase in prescription drug expenditures, particularly in the area of treatment of pud. the purpose of this study was to review medicaid prescription data and to use focus group methodology to gain an understanding of rural nonacademic and sem ...199710167220
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