Letters To The Editor
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastroenterol. Oct 28, 2011; 17(40): 4542-4544
Published online Oct 28, 2011. doi: 10.3748/wjg.v17.i40.4542
Figure 2
Figure 2 Funnel plot analysis of publication bias. OR: Odds ratio; NAC: Neoadjuvant chemotherapy; AC: Adjuvant chemotherapy.