f:Extension extension with URL = 'volume': minimum cardinality of 'extension' is 1 extension with URL = 'volume': maximum cardinality of 'extension' is 1 extension with URL = 'totalDoseDelivered': maximum cardinality of 'extension' is 1 extension with URL = 'fractionsDelivered': maximum cardinality of 'extension' is 1 value[x]: maximum cardinality of 'value[x]' is 0 f:Extension/f:extension id: maximum cardinality of 'id' is 1 url: minimum cardinality of 'url' is 1 url: maximum cardinality of 'url' is 1 value[x]: maximum cardinality of 'value[x]' is 1 id: maximum cardinality of 'id' is 1 url: minimum cardinality of 'url' is 1 url: maximum cardinality of 'url' is 1 value[x]: maximum cardinality of 'value[x]' is 1 id: maximum cardinality of 'id' is 1 url: minimum cardinality of 'url' is 1 url: maximum cardinality of 'url' is 1 value[x]: maximum cardinality of 'value[x]' is 1 f:Extension/f:extension/f:value[x] 1 id: maximum cardinality of 'id' is 0 reference: minimum cardinality of 'reference' is 1 reference: maximum cardinality of 'reference' is 1 type: maximum cardinality of 'type' is 0 identifier: maximum cardinality of 'identifier' is 1 display: maximum cardinality of 'display' is 0