f:Observation
category: minimum cardinality of 'category' is 1
category: maximum cardinality of 'category' is 1
focus: maximum cardinality of 'focus' is 0
effective[x]: minimum cardinality of 'effective[x]' is 1
performer: minimum cardinality of 'performer' is 1
value[x]: minimum cardinality of 'value[x]' is 1
interpretation: maximum cardinality of 'interpretation' is 0
bodySite: maximum cardinality of 'bodySite' is 0
method: maximum cardinality of 'method' is 0
specimen: maximum cardinality of 'specimen' is 0
device: maximum cardinality of 'device' is 0
referenceRange: maximum cardinality of 'referenceRange' is 0
component: maximum cardinality of 'component' is 0