f:Observation
performer: maximum cardinality of 'performer' is 1
component: maximum cardinality of 'component' is 0
f:Observation/f:meta
id: maximum cardinality of 'id' is 1
versionId: maximum cardinality of 'versionId' is 1
lastUpdated: maximum cardinality of 'lastUpdated' is 1
source: maximum cardinality of 'source' is 1
profile: minimum cardinality of 'profile' is 1
f:Observation/f:value[x] 1
value: minimum cardinality of 'value' is 1
unit: minimum cardinality of 'unit' is 1
system: minimum cardinality of 'system' is 1
code: minimum cardinality of 'code' is 1