Rapid Communication
Copyright ©2006 Baishideng Publishing Group Co.
World J Gastroenterol. Apr 28, 2006; 12(16): 2569-2573
Published online Apr 28, 2006. doi: 10.3748/wjg.v12.i16.2569
Figure 1
Figure 1 Diagrammatic illustration of the different phases of the study. Two visits were carried out by the investigator physician (V1: inclusion; and V3: final assessment). The second visit (V2) was carried out by the referent physician to check the inclusion criteria, to perform endoscopy (unless the patients had already undergone one endoscopy during the previous 6 months) and 24-h esophageal pH monitoring.