Skip to main content
. Author manuscript; available in PMC: 2022 Jul 1.
Published in final edited form as: Environ Res. 2021 May 12;198:111317. doi: 10.1016/j.envres.2021.111317

Figure 5:

Figure 5:

Trim and fill funnel plot for studies included in meta-analysis of associations between 1st trimester ozone exposure and odds of preterm birth. Actual studies are shown with black circles, while expected studies are white circles.