Union of http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation and http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation

This is the set of resources that conform to either of the profiles Best Practice Explanation (http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation) and Best Practice Explanation (http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation). E.g. what you have to deal with if you get resources conforming to one of them

Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1Explains why an invariant is labelled as best practice
ele-1: All FHIR elements must have a @value or children
ext-1: Must have either extensions or value[x], not both
... url 1..1uriidentifies the meaning of the extension
... value[x] 1..1markdownValue of extension
ele-1: All FHIR elements must have a @value or children

doco Documentation for this format