Brief Article
Copyright ©2010 Baishideng.
World J Gastroenterol. Apr 28, 2010; 16(16): 2010-2016
Published online Apr 28, 2010. doi: 10.3748/wjg.v16.i16.2010
Figure 1
Figure 1 Flow diagram for selection of case and control subjects. NaP: Sodium phosphate; PEG: Polyethylene glycol.