Prevalence of endoscopically negative and positive gastroesophageal reflux disease in the Japanese

Mishima I, Adachi K, Arima N, Amano K, Takashima T, Moritani M, Furuta K, Kinoshita Y. Prevalence of endoscopically negative and positive gastroesophageal reflux disease in the Japanese. Scand J Gastroenterol. 2005; 40(9): 1005-9.