title: Experience with  252 Cf in radiotherapy.
mesh_terms: D002142:Californium / Q000627:therapeutic use*; D006801:Humans; D009362:Neoplasm Metastasis; D009369:Neoplasms / Q000532:radiotherapy*; D011879:Radiotherapy Dosage; D011883:Radium
chemical_list: D002142:Californium; D011883:Radium