Skinnerup Byskov, Camilla, Hanna R. Mortensen, Marie-Claude Biston, Sara Broggi, Rebecca Bütof, Richard Canters, Gilles Crehange, et al. “Radiotherapy Quality Assurance in the PROTECT Trial – a European Randomised Phase III-Trial Comparing Proton and Photon Therapy in the Treatment of Patients With Oesophageal Cancer”. Acta Oncologica 64 (March 13, 2025): 406–414. Accessed May 11, 2026. https://medicaljournalssweden.se/actaoncologica/article/view/42774.