title: Pterygium: "thiotepa" versus beta radiation, a double-blind trial.
mesh_terms: D002986:Clinical Trials as Topic; D005123:Eye / Q000528:radiation effects*; D006801:Humans; D010919:Placebos / Q000627:therapeutic use; D011625:Pterygium / Q000188:drug therapy / Q000532:radiotherapy / Q000601:surgery; D011830:Radiation Effects; D013852:Thiotepa / Q000627:therapeutic use*
chemical_list: D010919:Placebos; D013852:Thiotepa