Malvén R, Rosengren B, Wallman H. Field Control in Roentgen Therapy with A 5 Mev Linear Accelerator: Means of Television. AO [Internet]. 1968 Jan. 1 [cited 2026 May 25];7(6):462-6. Available from: https://medicaljournalssweden.se/actaoncologica/article/view/34322