An untitled bar graph. On the x-axis there are a number of drug names including Avinza Combunox MS Contin Opana Opana ER and Roxicodone. The y-axis has a range of percentages between 0% and 60%. For each of the drug names there is a column in different colors. A key indicates that the different colors each represent one of the following: "PA" "QL" "ST" "OR" and "Any".
Description 
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Date
2007
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2007
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Date
2007
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2007
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