1. Validation of a Short Questionnaire in English and French for Use in Patients with Persistent Upper Gastrointestinal Symptoms Despite Proton Pump Inhibitor Therapy: The Pass (Proton Pump Inhibitor Acid Suppression Symptom) Test. (1st June 2005) Authors: Armstrong, David; van Zanten, Sander JO Veldhuyzen; Chung, Sharon A; Shapiro, Colin M; Dhillon, Sukhjeet; Escobedo, Sergio; Chakraborty, Bijan K; Mann, Vijay; Tanser, Lisa; Nevin, Krista Journal: Canadian Journal of Gastroenterology Issue: Volume 19:Number 6(2005) Page Start: 350 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗