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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>The organization has 8 classes of membership - (1) Active, (2) Emeritus, (3) Associate, (4) Resident/Fellow, (5) Inactive, (6) Honorary, (7) Advanced Practice Provider, (8) Non-Orthopaedic Physician.</ExplanationTxt>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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</Return>