title: Toxicity of 228Ra and 228Th relative to 226Ra for bone sarcoma induction in beagles.
mesh_terms: D000818:Animals; D004285:Dogs; D009381:Neoplasms, Radiation-Induced / Q000209:etiology*; D011829:Radiation Dosage; D011883:Radium; D012306:Risk; D012513:Sarcoma, Experimental / Q000209:etiology*; D013910:Thorium
chemical_list: D013910:Thorium; D011883:Radium