1. A Critical Review of the Quality of Cough Clinical Practice Guidelines
Mei Jiang, PhD, Wei-jie Guan, PhD, Zhang-fu Fang, PhD, Yan-qing Xie, PhD, Jia-xing Xie, PhD, Hao Chen, MD, Dang Wei, MD, Ke-fang Lai, MD, Nan-shan Zhong, MD 
CHEST 
Volume 150, Issue 4, Pages (October 2016)
DOI: /j.chest
Copyright © 2016 American College of Chest Physicians Terms and Conditions

2. Figure 1
Flowchart of cough guideline search and selection. CPGs = clinical practice guidelines.
CHEST  , DOI: ( /j.chest )
Copyright © 2016 American College of Chest Physicians Terms and Conditions

3. Figure 2
Distribution of the strength of recommendation across different types of recommendations. The figures above the columns indicate the items of recommendations. UG = ungraded.
CHEST  , DOI: ( /j.chest )
Copyright © 2016 American College of Chest Physicians Terms and Conditions

4. Figure 3
Comparison of the quality of cough clinical practice guideline with other guidelines. AGREE = Appraisal for Research Guidelines Evaluation.
CHEST  , DOI: ( /j.chest )
Copyright © 2016 American College of Chest Physicians Terms and Conditions