Validation of ICD-9-CM codes to identify gastrointestinal perforation events in administrative claims data among hospitalized rheumatoid arthritis patients (Q34054817)
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English | Validation of ICD-9-CM codes to identify gastrointestinal perforation events in administrative claims data among hospitalized rheumatoid arthritis patients |
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Validation of ICD-9-CM codes to identify gastrointestinal perforation events in administrative claims data among hospitalized rheumatoid arthritis patients (English)
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Jeffrey R Curtis
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Shih-Yin Chen
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Winifred Werther
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Ani John
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David A Johnson
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27 August 2011
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20
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11
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1150-1158
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