To assess the diagnostic value of a combination of continuous intragastric pH and bilirubin monitoring in the detection of duodenogastric reflux (DGR), and the effects of diet on the bilirubin absorbance.
Department of Gastroenterology, Second Hospital of Xi'an Jiaotong University, 157 Xiwu LU, Xi'an 710004, Shaanxi Province, China. jiangdf@pub.xaonline.com