慢性阻塞性肺疾病合并阻塞性睡眠呼吸暂停低通气综合征患者血清维生素 D 水平的研究
杨海华1，龙 丰1，朱 柠1，张 霞1，李善群2, 3*
Observation of vitamin D levels in the patients with chronic obstructive pulmonary disease and obstructive sleep apnea hypopnea syndrome
YANG Hai-hua1, LONG Feng1, ZHU Ning1, ZHANG Xia1, LI Shan-qun2,3*
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2015, (6): 384
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