
PSM法探讨血钙及踝肱指数与老年认知功能障碍的相关性
刘志臻, 杨红清, 蔡晶
PSM法探讨血钙及踝肱指数与老年认知功能障碍的相关性
Association between blood calcium, ankle brachial index and cognitive impairment in older adults by propensity score match
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