<xs:attributeGroup name="UnitsOfMeasureGroup">
    <xs:annotation>
        <xs:documentation xml:lang="en">Provides measurement information.</xs:documentation>
    </xs:annotation>
    <xs:attribute name="UnitOfMeasureQuantity" type="xs:decimal" use="optional">
        <xs:annotation>
            <xs:documentation xml:lang="en">This is the numeric value associated with the measurement.</xs:documentation>
        </xs:annotation>
    </xs:attribute>
    <xs:attribute name="UnitOfMeasure" type="StringLength1to16" use="optional">
        <xs:annotation>
            <xs:documentation xml:lang="en">This is the standard unit of measure name (e.g., it could be generic such as metric or imperial or specific such as inches, feet, yards, miles, millimeters, centimeters, meters, kilometers- according to usage). </xs:documentation>
        </xs:annotation>
    </xs:attribute>
    <xs:attribute name="UnitOfMeasureCode" type="OTA_CodeType" use="optional">
        <xs:annotation>
            <xs:documentation xml:lang="en">The unit of measure in a code format (e.g., inches, pixels, centimeters). Refer to OTA Code List Unit of Measure Code (UOM).</xs:documentation>
        </xs:annotation>
    </xs:attribute>
</xs:attributeGroup>