title: Cell survival as a function of depth for modulated negative pion beams.
mesh_terms: D002470:Cell Survival / Q000528:radiation effects*; D002478:Cells, Cultured; D003470:Culture Media; D004307:Dose-Response Relationship, Radiation; D004601:Elementary Particles; D005780:Gelatin; D011878:Radiotherapy
chemical_list: D003470:Culture Media; D005780:Gelatin