Skip to main content
. 2015 Jun 22;10(6):e0128142. doi: 10.1371/journal.pone.0128142

Fig 4. Differences in the selected variables from lung function test between the Rhodiola crenulata group (hatched columns) and placebo (PBO) group (open columns) over the 12-week treatment period.

Fig 4

FEV1%change = % change of forced expired volume in one second (FEV1) after inhaling fenoterol HCl, bars: standard error. *comparisons within group: p < .05, comparison between groups: p >.05.