Objective: to investigate the prevalence of senile dementia and Parkinson disease (PD) and the relative factors.

目的：了解社区老年期痴呆和帕金森病患病率及相关因素。

youdao

Objective: to investigate the prevalence of senile dementia and Parkinson disease (PD) and the relative factors.

目的：了解社区老年期痴呆和帕金森病患病率及相关因素。

youdao