title: 224Ra: risk to bone and haematopoietic tissue in ankylosing spondylitis patients.
mesh_terms: D001859:Bone Neoplasms / Q000453:epidemiology* / Q000209:etiology; D005260:Female; D005500:Follow-Up Studies; D005860:Germany, West; D006801:Humans; D007953:Leukemia, Radiation-Induced / Q000453:epidemiology*; D008297:Male; D009381:Neoplasms, Radiation-Induced / Q000453:epidemiology*; D011829:Radiation Dosage; D011883:Radium / Q000009:adverse effects* / Q000627:therapeutic use; D012306:Risk; D013167:Spondylitis, Ankylosing / Q000532:radiotherapy*; D013910:Thorium; D013997:Time Factors
chemical_list: C026062:thorium X; D013910:Thorium; D011883:Radium