Guidelines Clinical Practice
Copyright ©2009 The WJG Press and Baishideng.
World J Gastroenterol. Jan 14, 2009; 15(2): 182-191
Published online Jan 14, 2009. doi: 10.3748/wjg.15.182
Figure 4
Figure 4 CEP at Cz electrode from a healthy volunteer. The subject was electrically stimulated in the oesophagus through a 6-mm nasal endoscope. Electrical stimulation was at the pain threshold and this CEP is an average of 35 such stimulations.