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Please note that some of the rules referenced above are defined elsewhere. In particular, definitionStatus definitionStatus is defined in SNOMED CT compositional grammar, and expressionConstraint, cardinality, to, QM, stringValue, integerValue, decimalValue, ws, mws, memberOf, constraintOperator, conjunction, disjunction, exclusion, reverseFlag, expressionComparisonOperator, numericComparisonOperator and stringComparisonOperator stringComparisonOperator are all defined in the expression constraint language syntax. These rule definitions must therefore be combined with the above syntax before it can be used.

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