Bjordal, Kristin, Marianne Ahlner-Elmqvist, Eva Tollesson, Anders B. Jensen, Darius Razavi, E. Jane Maher, and Stein Kaasa. “Development of a European Organization for Research and Treatment of Cancer (Eortc) Questionnaire Module to Be Used in Quality of Life Assessments in Head and Neck Cancer Patients”. Acta Oncologica 33, no. 8 (January 1, 1994): 879–885. Accessed June 20, 2026. https://medicaljournalssweden.se/actaoncologica/article/view/29847.