维生素D与社区获得性肺炎病情程度的相关性研究
齐丽△, 田永红
Association between vitamin D levels and the severity of community-acquired pneumonia
QI Li △, TIAN Yong-hong
天津医药 . 2018, (11): 1189 -1192 .  DOI: 10.11958/20180961