1. Nonobstructive dysphagia in reflux esophagitis;Triadafilopoulos, G.;AmJ Gastroenterol,1989
2. A new dysphagia score with objective validation;Dakkak, M.; Bennett, JR;J Clin Gastroenterol,1992
3. The radiological measurement of oesophageal stricture diameter;Dyet, J.F.; Bennett, JR, Buckton; G, Ashworth; D.;Clin Radiol,1983
4. Applied regression analysis;Draper, N.; Smith, H.,1980
5. A new objective measurement of esophageal lumen patency;Goldschmid, S.; Boyce Jnr, H.W.; Brown, J.I.; Pg, Brady; Nord, H.J.; Lyman, G.H.;AmJ Gastroenterol,1989