Translation, cross-cultural adaptation, and psychometric evaluation of the Persian (Farsi) version of the QoLAF (quality of life in patients with anal fistula) questionnaire. - Keramati MR; Yazd SMM; Omidi M; Keshvari A; Shahriarirad S; Shahriarirad R; Ahmadi-Tafti SM; Behboudi B; Kazemeini A; Sahebi L; Fazeli MS (PloS one, 2023)