Davis, B Variation of linear accelerator output with air pressure. [electronic resource] - Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology Apr 1994 - 89-90 p. digital Publication Type: Letter ISSN: 0167-8140 Standard No.: 10.1016/0167-8140(94)90419-7 doi Subjects--Topical Terms: Air PressureParticle Accelerators