title: Preparation of 224Ra for therapy of ankylosing spondylitis.
mesh_terms: D006801:Humans; D008722:Methods; D011883:Radium / Q000008:administration & dosage / Q000302:isolation & purification* / Q000627:therapeutic use; D013167:Spondylitis, Ankylosing / Q000532:radiotherapy*; D013910:Thorium / Q000302:isolation & purification
chemical_list: D013910:Thorium; D011883:Radium