5Dickman R,Manck N,Holub J,et al.Prevalence of upper gastrointestinal tract findings in patients with noncardiac chest pain versus those with gastro-esophageal reflux disease (GERD) related symptoms; result from a national endoscopic database.Am J Gastroenterol,2007,102:1173-1179.
6Pilotto A,Franceschi M,Leandro G,et al.Clinical features of reflux esophagitis in older people:a study of 840 consecutive patients.J Am Geriatr Soe,2006,54:1537-I542.
