Basic Infrastructure, Rich function — Here, the primary concern is the exposure of business function as services so that they can be accessed or combined in new ways to deliver business value.
The primary cause of COPD is tobacco smoke (including second-hand or passive exposure). Other risk factors include.
慢性阻塞性肺病的原发性原因是烟草烟雾(包括二手烟或被动接触)。
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MAIN OUTCOME MEASURES: the primary analysis examined the association between hospitalization for a subtrochanteric or femoral shaft fracture and duration of bisphosphonate exposure.