http://hl7.org/fhir/StructureDefinition/ResearchDefinition|4.0.1

The ResearchDefinition resource describes the conditional state (population and any exposures being compared within the population) and outcome (if specified) that the knowledge (evidence, assertion, recommendation) is about.
element_idtypes
ResearchDefinition.publisher
ResearchDefinition.contact
ResearchDefinition.description
ResearchDefinition.comment
ResearchDefinition.useContext
ResearchDefinition.jurisdiction
ResearchDefinition.purpose
ResearchDefinition.usage
ResearchDefinition.copyright
ResearchDefinition.approvalDate
ResearchDefinition.lastReviewDate
ResearchDefinition.effectivePeriod
ResearchDefinition.topic
ResearchDefinition.author
ResearchDefinition.editor
ResearchDefinition.reviewer
ResearchDefinition.endorser
ResearchDefinition.relatedArtifact
ResearchDefinition.library
ResearchDefinition.population
ResearchDefinition.exposure
ResearchDefinition.exposureAlternative
ResearchDefinition.outcome
ResearchDefinition
ResearchDefinition.url
ResearchDefinition.identifier
ResearchDefinition.version
ResearchDefinition.name
ResearchDefinition.title
ResearchDefinition.shortTitle
ResearchDefinition.subtitle
ResearchDefinition.status
ResearchDefinition.experimental
ResearchDefinition.subject[x]
ResearchDefinition.date
ResearchDefinition.publisher
ResearchDefinition.contact
ResearchDefinition.description
ResearchDefinition.comment
ResearchDefinition.useContext
ResearchDefinition.jurisdiction
ResearchDefinition.purpose
ResearchDefinition.usage
ResearchDefinition.copyright
ResearchDefinition.approvalDate
ResearchDefinition.lastReviewDate
ResearchDefinition.effectivePeriod
ResearchDefinition.topic
ResearchDefinition.author
ResearchDefinition.editor
ResearchDefinition.reviewer
ResearchDefinition.endorser
ResearchDefinition.relatedArtifact
ResearchDefinition.library
ResearchDefinition.population
ResearchDefinition.exposure
ResearchDefinition.exposureAlternative
ResearchDefinition.outcome
ResearchDefinition
ResearchDefinition.id
ResearchDefinition.meta
ResearchDefinition.implicitRules
ResearchDefinition.language
ResearchDefinition.text
ResearchDefinition.contained
ResearchDefinition.extension
ResearchDefinition.modifierExtension
ResearchDefinition.url
ResearchDefinition.identifier
ResearchDefinition.version
ResearchDefinition.name
ResearchDefinition.title
ResearchDefinition.shortTitle
ResearchDefinition.subtitle
ResearchDefinition.status
ResearchDefinition.experimental
ResearchDefinition.subject[x]
ResearchDefinition.date