title: PION-I. A Monte Carlo computer program for calculations with negative pion beams.
mesh_terms: D002470:Cell Survival; D003201:Computers; D004601:Elementary Particles; D004735:Energy Transfer; D006801:Humans; D008961:Models, Structural; D009010:Monte Carlo Method; D011829:Radiation Dosage; D011878:Radiotherapy / Q000379:methods*