Heyman S, Perman M, Radu C. Reduction of elective lymph node volume in radiotherapy of early anal squamous cell cancer: a comparative study between two Swedish university hospitals. AO [Internet]. 2024 Apr. 8 [cited 2024 Nov. 23];63(1):118-24. Available from: https://medicaljournalssweden.se/actaoncologica/article/view/20336