Meta-Analysis
Copyright ©The Author(s) 2015.
World J Gastroenterol. Mar 7, 2015; 21(9): 2807-2815
Published online Mar 7, 2015. doi: 10.3748/wjg.v21.i9.2807
Figure 3
Figure 3 Funnel plot adjusted using a trim and fill method for overall survival. Diamonds: Included studies; diamonds in squares: Presumed missing studies.