No abstract available
MeSH terms
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Clinical Trials as Topic
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Combined Modality Therapy
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Forecasting
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Head and Neck Neoplasms / drug therapy
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Head and Neck Neoplasms / radiotherapy*
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Humans
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Neoplasms, Second Primary / prevention & control
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Professional Staff Committees / organization & administration*
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Radiation Oncology / organization & administration*
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Research Design*