1. Obvious emphysema on computed tomography during an acute exacerbation of chronic obstructive pulmonary disease predicts a poor prognosis. Issue 5 (May 2015) Authors: Cheng, T.; Wan, H. Y.; Cheng, Q. J.; Guo, Y.; Qian, Y. R.; Fan, L.; Feng, Y.; Song, Y. Y.; Zhou, M.; Li, Q. Y.; Shi, G. C.; Huang, S. G. Journal: Internal medicine journal Issue: Volume 45:Issue 5(2015) Page Start: 517 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗