f:Observation category: minimum cardinality of 'category' is 1 category: maximum cardinality of 'category' is 1 subject: minimum cardinality of 'subject' is 1 effective[x]: minimum cardinality of 'effective[x]' is 1 f:Observation/f:code id: maximum cardinality of 'id' is 1 coding: minimum cardinality of 'coding' 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: minimum cardinality of 'display' is 1 display: maximum cardinality of 'display' is 1 userSelected: maximum cardinality of 'userSelected' is 1 f:Observation/f:value[x] 1 coding: minimum cardinality of 'coding' is 1 f:Observation/f:value[x]/f:coding 1 system: minimum cardinality of 'system' is 1 code: minimum cardinality of 'code' is 1 display: minimum cardinality of 'display' is 1