. 2020 Aug 8;12(8):2220. doi: 10.3390/cancers12082220
© 2020 by the authors.
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Figure 3.
Funnel plot and Egger’s regression intercept.