title: Effect of fractionated doses of pions on normal tissues: part I. mouse skin.
mesh_terms: D000818:Animals; D004307:Dose-Response Relationship, Radiation; D004601:Elementary Particles; D005260:Female; D051379:Mice; D012062:Relative Biological Effectiveness; D012867:Skin / Q000528:radiation effects*; D013997:Time Factors; D014965:X-Rays