Therapeutic attitudes. Cooperators and competitors.
D006258:Head and Neck Neoplasms / Q000517:prevention & control / Q000532:radiotherapy / Q000601:surgery / Q000628:therapy*; D006801:Humans; D007822:Laryngeal Neoplasms / Q000517:prevention & control / Q000532:radiotherapy / Q000601:surgery / Q000628:therapy*; D009062:Mouth Neoplasms / Q000517:prevention & control / Q000532:radiotherapy / Q000601:surgery / Q000628:therapy*; D009303:Nasopharyngeal Neoplasms / Q000517:prevention & control / Q000601:surgery; D010610:Pharyngeal Neoplasms / Q000517:prevention & control / Q000532:radiotherapy / Q000601:surgery / Q000628:therapy*; D012907:Smoking