1. Herbal Medicine for Cough: a Systematic Review and Meta-Analysis
Forsch Komplementmed 2015;22: DOI: /
Fig. 1. Flowchart of literature search results.
© 2015 S. Karger AG, Basel

2. Herbal Medicine for Cough: a Systematic Review and Meta-Analysis
Forsch Komplementmed 2015;22: DOI: /
Fig. 2. Effects of A. peniculata on frequency of cough. CI = confidence interval; IV = inverse variance; SD = standard deviation.
© 2015 S. Karger AG, Basel

3. Herbal Medicine for Cough: a Systematic Review and Meta-Analysis
Forsch Komplementmed 2015;22: DOI: /
Fig. 3. Effects of A. peniculata on severity of cough. CI = confidence interval; IV = inverse variance; SD = standard deviation.
© 2015 S. Karger AG, Basel

4. Herbal Medicine for Cough: a Systematic Review and Meta-Analysis
Forsch Komplementmed 2015;22: DOI: /
Fig. 4. Effects of P. sidoides on cough in adults. CI = confidence interval; IV = inverse variance.
© 2015 S. Karger AG, Basel

5. Herbal Medicine for Cough: a Systematic Review and Meta-Analysis
Forsch Komplementmed 2015;22: DOI: /
Fig. 5. Effects of P. sidoides on cough in children. CI = confidence interval; IV = inverse variance.
© 2015 S. Karger AG, Basel

6. Herbal Medicine for Cough: a Systematic Review and Meta-Analysis
Forsch Komplementmed 2015;22: DOI: /
Fig. 6. Effects of ivy/primrose/thyme on cough. CI = confidence interval; IV = inverse variance.
© 2015 S. Karger AG, Basel

7. Herbal Medicine for Cough: a Systematic Review and Meta-Analysis
Forsch Komplementmed 2015;22: DOI: /
Fig. 7. Effects of Echinacea on cough. CI = confidence interval; IV = inverse variance.
© 2015 S. Karger AG, Basel