1. Radiologic evaluation of oesophageal motility: results in 170 patients with chest pain;Ott;Am J Roentgenol,1990
2. Motility disorders of the oesophagus;Ott;Radiol Clin North Am,1994
3. Motor disorders of the oesophagus;Cohen;N Engl J Med,1979
4. Oesophageal motility disorders: a clinical overview;Gelfand;Am J Gastroenterol,1987
5. Sensitivity of radionuclide bolus transport and videofluoroscopy studies compared with manometry in detection of achalasia;Stacher;Am J Gastroenterol,1994