No abstract available
MeSH terms
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Africa / epidemiology
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Biomedical Research / standards*
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Delivery of Health Care, Integrated / standards*
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Developing Countries / statistics & numerical data*
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Head and Neck Neoplasms / epidemiology
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Head and Neck Neoplasms / prevention & control*
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Health Services Needs and Demand / standards*
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Humans
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Research Design / standards*
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Surveys and Questionnaires