1. 24 hour recording of esophageal pressure and pH in patients with non-cardiac chest pain;G, Janssens J.Vantrappen; S, Ghillebert;Gastroenterology,1986
2. Spontaneous noncardiac chest pain: Evaluation by 24 hour ambulatory motility and pH monitoring;Peters, L.; Maas, L.C.; Petty, D.;Gastroenterology,1988
3. 24 hour ambulatory manometry in diagnosis of esophageal motor disorders causing chest pain;Maas, L.C.; Gordon, R.K.; Penner, D.;South Med J,1985
4. A new system for continuous 24 hour esophageal pressure and pH recording;Smout, A.J.P.M.; Breedijk, M.; Van der Zouw, C.; Akkermans, L.
5. Esophageal testing of patients with noncardiac chest pain or dysphagia;Katz, P.O.; Dalton, C.B.; Richter, J.E.; Wu, W.C.; Castell, D.O.;Ann Intern Med,1987