No abstract available
MeSH terms
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Aged
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Antirheumatic Agents / adverse effects*
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Antirheumatic Agents / therapeutic use
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Arthritis, Rheumatoid / complications*
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Arthritis, Rheumatoid / drug therapy*
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Humans
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Lymphoma, B-Cell / chemically induced*
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Male
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Methotrexate / adverse effects*
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Methotrexate / therapeutic use
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Skin Neoplasms / chemically induced*
Substances
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Antirheumatic Agents
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Methotrexate