Bjordal, K. et al. 1994. 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, 8 (Jan. 1994), 879–885. DOI:https://doi.org/10.3109/02841869409098450.