f:Observation extension with URL = 'http://esveikata.lt/fhir/StructureDefinition/observation-resultsInterpreter': maximum cardinality of 'extension' is 1 effective[x]: minimum cardinality of 'effective[x]' is 1 performer: minimum cardinality of 'performer' is 1 performer: maximum cardinality of 'performer' is 1 f:Observation/f:code id: maximum cardinality of 'id' is 1 text: maximum cardinality of 'text' is 1 f:Observation/f:code/f:coding id: maximum cardinality of 'id' is 1 system: minimum cardinality of 'system' is 1 system: maximum cardinality of 'system' is 1 version: maximum cardinality of 'version' is 1 code: minimum cardinality of 'code' is 1 code: maximum cardinality of 'code' is 1 display: maximum cardinality of 'display' is 1 userSelected: maximum cardinality of 'userSelected' is 1 f:Observation/f:method id: maximum cardinality of 'id' is 1 text: maximum cardinality of 'text' is 1 f:Observation/f:method/f:coding id: maximum cardinality of 'id' is 1 system: minimum cardinality of 'system' is 1 system: maximum cardinality of 'system' is 1 version: maximum cardinality of 'version' is 1 code: minimum cardinality of 'code' is 1 code: maximum cardinality of 'code' is 1 display: maximum cardinality of 'display' is 1 userSelected: maximum cardinality of 'userSelected' is 1