{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "standardized mean difference (a type of absolute effect estimate).",
  "system" : "http://terminology.hl7.org/CodeSystem/effect-estimate-type",
  "property" : [ ],
  "codesystem" : "e1aa883b-30b1-5b15-9858-120a51179387",
  "concept_id" : "749ba40c-81a1-5fcd-b76f-bc1af3048f67",
  "ancestors" : {
    "absolute-SMD" : 0
  },
  "id" : "bea9e58a-e211-43d7-85b9-be490fe3a7a1",
  "code" : "absolute-SMD",
  "display" : "standardized mean difference",
  "version" : "4.0.1"
}