f:Extension extension with URL = 'startDate': maximum cardinality of 'extension' is 1 extension with URL = 'endDate': maximum cardinality of 'extension' is 1 extension with URL = 'specimenCollectionOnly': minimum cardinality of 'extension' is 1 extension with URL = 'specimenCollectionOnly': maximum cardinality of 'extension' is 1 extension with URL = 'performedByOrganization': minimum cardinality of 'extension' is 1 extension with URL = 'performedByOrganization': maximum cardinality of 'extension' is 1 extension with URL = 'performedBySubcontractor': minimum cardinality of 'extension' is 1 extension with URL = 'performedBySubcontractor': maximum cardinality of 'extension' is 1 extension with URL = 'performedByForeignSubcontractor': minimum cardinality of 'extension' is 1 extension with URL = 'performedByForeignSubcontractor': maximum cardinality of 'extension' is 1 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]: minimum cardinality of 'value[x]' 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]: minimum cardinality of 'value[x]' 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]: minimum cardinality of 'value[x]' 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