No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Analysis of Variance
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Chi-Square Distribution
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Health Benefit Plans, Employee / economics*
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Health Benefit Plans, Employee / statistics & numerical data*
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Humans
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Insurance Coverage / statistics & numerical data
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Salaries and Fringe Benefits / statistics & numerical data*
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Social Class
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Surveys and Questionnaires
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United States