Sameen Abbas, Syed Sikandar Shah, Tayyab Saeed Akhhtar, Kiran Hameed, Saima Mushtaq, Amjad Khan. "Urdu adaptation and validation of a disease-specific quality-of-life questionnaire in a Pakistani population of Achalasia." PLoS ONE (2025). https://doi.org/10.1371/journal.pone.0321933