Cox proportional hazard ratio (HR) of pneumonia between GERD and non-GERD cohorts or among patients who used proton pump inhibitors (PPIs) longer than 4 months, less than 4 months and those who did not use PPIs.
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资源简介：
Cox proportional hazard ratio (HR) of pneumonia between GERD and non-GERD cohorts or among patients who used proton pump inhibitors (PPIs) longer than 4 months, less than 4 months and those who did not use PPIs.
创建时间：
2017-08-25
