title: [Radiotherapy of bronchial tumors. Zurich experiences with the 31-MeV-betatron 1952-1959].
mesh_terms: D001980:Bronchi; D001984:Bronchial Neoplasms; D009369:Neoplasms; D010315:Particle Accelerators; D011878:Radiotherapy
keywords: BRONCHI/neoplasms; RADIOTHERAPY