Cite
HARVARD Citation
Armstrong, D. et al. (2005). 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. Canadian Journal of Gastroenterology. pp. 350-358. [Online].