Dynamic change in vitamin D level in infants/toddlers with severe pneumonia and a correlation analysis
DENG Yong-Chao, TANG Xi-Chun, YUAN Yuan-Hong, HUANG Cai-Zhi, MO Li-Ya
CJCP . 2018, (11): 911 -916 .  DOI: 10.7499/j.issn.1008-8830.2018.11.006