血清维生素D水平与老年人社区获得性肺炎严重程度的相关性研究
周妍, 顾祎
Study on correlation between serum vitamin D and severity of community-acquired pneumonia in elderly people
ZHOU Yan, GU Yi
诊断学理论与实践 . 2017, (06): 612 -616 .  DOI: 10.16150/j.1671-2870.2017.06.010