Cesium-131 seeds for permanent implants.
D002587:Cesium Isotopes / Q000627:therapeutic use*; D006049:Gold Isotopes; D006801:Humans; D009369:Neoplasms / Q000532:radiotherapy*; D011886:Radon
D002587:Cesium Isotopes; D006049:Gold Isotopes; D011886:Radon