title: 'Hierarchy of controls'.
authors.forename: A B Butch
authors.initials: AB
authors.lastname: de Castro
mesh_terms: D000062:Accidents, Occupational / Q000517:prevention & control*; D006739:Hospital Administration / Q000379:methods*; D006801:Humans; D009784:Occupational Diseases / Q000517:prevention & control*; D017751:Safety Management / Q000379:methods*