No abstract available
MeSH terms
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Adult
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Aged
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Aged, 80 and over
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Antirheumatic Agents / therapeutic use
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Arthritis, Rheumatoid / drug therapy*
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Arthritis, Rheumatoid / mortality*
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Cohort Studies
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Humans
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Methotrexate / therapeutic use*
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Methotrexate / toxicity
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Middle Aged
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Prospective Studies
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Time Factors
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Treatment Outcome
Substances
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Antirheumatic Agents
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Methotrexate