Topic Highlight
Copyright ©2007 Baishideng Publishing Group Co.
World J Gastroenterol. Mar 7, 2007; 13(9): 1352-1359
Published online Mar 7, 2007. doi: 10.3748/wjg.v13.i9.1352
Figure 4
Figure 4 Bolus shape (A) before the muscle contraction (B) at the end of muscle contraction and (C) when the peristaltic wave reaches the LES.