Comparison of demographic characteristics between opioid-related mortalities and non-opioid drug related mortalities in Ontario for the years 2006, 2007, and 2008.
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aTwo values not available. All tests were performed by Pearson's Chi-square unless otherwise indicated. +Mann-Whitney U-test. Note: 20 files were not available for assessment or contained missing information.
创建时间：
2015-12-02
