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	<< 404684003 |Clinical finding|:
		>> 24607500342752001 |CausativeDue agentto| = << 267038008 |Edema|

This expression constraint is represented in the long syntax as:

	descendantOrSelfOf 404684003 |Clinical finding|:
		ancestorOrSelfOf 42752001 246075003|CausativeDue agentto| = descendantOrSelfOf 267038008 |Edema|

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When numeric concrete values (i.e. Integers and Decimals) are compared, a set of standard mathematical operators may be used. These mathematical operators are:

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Concrete values of type string and boolean may also be included in an expression constraint, and compared using an 'equal to' (i.e. "=") or 'not equal to' (i.e. "!=") operator. The following expression constraint is satisfied only by products with a trade product name equal to "PANADOL"

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	< 373873005 |Pharmaceutical / biologic product|:
		2099999991043460481009 |Has tradeproduct name| = "PANADOL"                

The following expression constraint is satisfied only by products that are in the national benefit scheme (of the given country)

.

	< 373873005 |Pharmaceutical / biologic product|:
		859999999102 |Is in national benefit scheme| = TRUE

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	descendantOf 91723000 |Anatomical structure|:
		reverseOf 363698007 |Finding site| = descendantOf 125605004 |Fracture of bone|

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DottedAttributes DottedAttributes

Dotted Attributes

An alternative way of representing 'reversed attributes' is by applying the dot notation to represented them as dotted attributes. Using this alternative notation, "

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