title: Postoperative beta radiation treatment of pterygium.
mesh_terms: D001918:Brachytherapy / Q000379:methods; D006801:Humans; D011625:Pterygium / Q000532:radiotherapy* / Q000601:surgery; D012189:Retrospective Studies; D013326:Strontium Radioisotopes / Q000008:administration & dosage
chemical_list: D013326:Strontium Radioisotopes