f:Observation effective[x]: minimum cardinality of 'effective[x]' is 1 hasMember: maximum cardinality of 'hasMember' is 0 component: maximum cardinality of 'component' is 0 f:Observation/f:category id: maximum cardinality of 'id' is 1 f:Observation/f:effective[x] 1 id: maximum cardinality of 'id' is 0 start: minimum cardinality of 'start' is 1 end: minimum cardinality of 'end' is 1 f:Observation/f:value[x] 1 id: maximum cardinality of 'id' is 0 value: minimum cardinality of 'value' is 1 comparator: maximum cardinality of 'comparator' is 0 unit: minimum cardinality of 'unit' is 1 system: minimum cardinality of 'system' is 1 code: minimum cardinality of 'code' is 1