Ambulatory care visits by people with asthma and chronic obstructive pulmonary disease (COPD) in the Métis and Ontario general populations, April 1, 2009 to March 31, 20121.
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1All rates per 1000 person-years, direct-standardized to the 2006 Ontario Census population by age, sex and urban/rural status (with 95% confidence intervals).
创建时间：
2015-12-02
