title: The problem of tissue equivalence in negative pion dosimetry.
mesh_terms: D000818:Animals; D004307:Dose-Response Relationship, Radiation; D004601:Elementary Particles; D006801:Humans; D008651:Mesons; D008954:Models, Biological; D009132:Muscles / Q000528:radiation effects*; D010969:Plastics
chemical_list: D010969:Plastics