sleep apnea, obstructive|pulmonary fibrosis|anoxia|respiratory function tests| idiopathic pulmonary fibrosis|polysomnography| nocturnal hypoxemia
MA Yan-yan, CAO Jie△, WANG Yan, LI Lian, ZHOU Ning, WANG Jie, ZHI Qing-qing
Tianjin Medical Journal . 2017, (1): 39 -42 .  DOI: 10.11958/20160823