1. Symptomatic gastrooesophageal reflux: incidence and precipitating factors;Nebel, O.T.; Fomes, M.F.; Castell, D.O.;American Journal of Digestive Diseases,1976
2. Symptoms in gastro-oesophageal reflux disease;Klauser, A.G.; Schindlbeck, N.E.; Muller-Lissner, S.A.;Lancet,1990
3. Is long term esophageal pH monitoring of clinical value?;Klauser, A.G.; Heinrich, C.; Schindlbeck, N.E.; Muller-Lissner, S.A.;Am J Gastroenterol,1989
4. Ambulatory 24-hour esophageal pH monitoring, reproducibility and variability of pH parameters;Wiener, G.J.; Morgan, T.M.; Copper, J.B.; Wu, W.C.; Castell, D.O.; Sinclair, J.W.;Dig Dis Sci,1988
5. Reliability of 24-hour home oesophageal pH monitoring in diagnosis of gastro-oesophageal reflux;Mattioli, S.; Pilott, V.; Spangaro, M.; Grigioni, W.F.; Zannoli, R.; Felice, V.;Dig Dis Sci,1989