No abstract available
MeSH terms
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Academies and Institutes / statistics & numerical data*
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Clinical Trials as Topic / statistics & numerical data*
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Cross-Sectional Studies
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Ethnicity / statistics & numerical data*
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Female
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Health Services Accessibility / statistics & numerical data*
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Humans
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Male
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Neoplasms / epidemiology
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Neoplasms / ethnology*
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Physician's Role*
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Socioeconomic Factors*
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United States / epidemiology
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White People / statistics & numerical data