No abstract available
MeSH terms
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Adult
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Aged
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Arthritis, Rheumatoid / epidemiology
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Arthritis, Rheumatoid / etiology
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Arthritis, Rheumatoid / genetics*
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Education
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Family Characteristics
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Female
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Humans
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Male
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Marriage
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Michigan
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Middle Aged
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Occupations
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Psychophysiologic Disorders
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Sampling Studies
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Self Concept*
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Social Class
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Stress, Psychological