SONG Deyin, SHI Suyu, LIANG Dong. Analysis of the therapeutic effects of Huanglian Wendan Decoction on acute exacerbated chronic obstructive pulmonary disease complicated by type 2 respiratory failure sleep disorder[J]. Journal of Clinical Medicine in Practice, 2013, (1): 73-75. DOI: 10.7619/jcmp.201301023