f:Observation
category: minimum cardinality of 'category' is 1
encounter: minimum cardinality of 'encounter' is 1
effective[x]: maximum cardinality of 'effective[x]' is 0
issued: maximum cardinality of 'issued' is 0
performer: maximum cardinality of 'performer' is 0
dataAbsentReason: maximum cardinality of 'dataAbsentReason' is 0
interpretation: maximum cardinality of 'interpretation' is 1
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
component: maximum cardinality of 'component' is 0
f:Observation/f:referenceRange
modifierExtension: maximum cardinality of 'modifierExtension' is 0
low: minimum cardinality of 'low' is 1
high: minimum cardinality of 'high' is 1
type: minimum cardinality of 'type' is 1
appliesTo: maximum cardinality of 'appliesTo' is 0
age: maximum cardinality of 'age' is 0
text: maximum cardinality of 'text' is 0