f:Medication status: minimum cardinality of 'status' is 1 f:Medication/f:ingredient strength: minimum cardinality of 'strength' is 1 f:Medication/f:ingredient/f:strength id: maximum cardinality of 'id' is 1 numerator: maximum cardinality of 'numerator' is 1 denominator: maximum cardinality of 'denominator' is 1