Yongjun wang : stratify management on statins to cerebral vascular disease .
王拥军：脑血管病他汀治疗的分层策略管理。
They wanted an instrument that could reasonably stratify adults aged 65 or older into those with a low , moderate , or high risk of developing dementia within six years .
Defining ct severity of acute pulmonary embolism can help to stratify the risk of patients , indicate their prognosis , guide treatment selection and monitor the efficacy of treatment .
