Research Article
Adjuvant Treatment with Xiaoqinglong Formula for Bronchial Asthma in Acute Attack: A Systematic Review of Randomized Controlled Trials
Figure 9
Evaluation of publication bias. Funnel plots of (a) CER, (b) FEV1, (c) PEF, and (d) EOS.
(a) |
(b) |
(c) |
(d) |