title: Incidence and causes of failures to control by irradiation the primary lesions in squamous cell carcinomas of the anterior two-thirds of the tongue and floor of mouth.
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000532:radiotherapy*; D004583:Electrons; D005500:Follow-Up Studies; D006801:Humans; D008722:Methods; D009060:Mouth Floor; D009062:Mouth Neoplasms / Q000532:radiotherapy*; D009364:Neoplasm Recurrence, Local; D009910:Oral Hygiene; D011879:Radiotherapy Dosage; D011883:Radium / Q000008:administration & dosage / Q000627:therapeutic use; D014062:Tongue Neoplasms / Q000532:radiotherapy*
chemical_list: D011883:Radium