title: Rules tightened for aboriginal studies.
authors.forename: Hannah
authors.initials: H
authors.lastname: Hoag
mesh_terms: D035843:Biomedical Research / Q000941:ethics* / Q000592:standards; D002170:Canada; D017408:Guidelines as Topic; D006801:Humans; D007198:Indians, North American; D007258:Informed Consent / Q000941:ethics / Q000592:standards