title: Cluster randomized trials: evaluating treatments applied to groups.
authors.affiliation: Department of Emergency Medicine, University of Michigan, Ann Arbor.
authors.forename: William J
authors.initials: WJ
authors.lastname: Meurer
authors.affiliation: Department of Emergency Medicine, Harbor-UCLA Medical Center, Torrance, California3Los Angeles Biomedical Research Institute, Torrance, California4David Geffen School of Medicine at University of California, Los Angeles5Berry Consultants, Austin, Texas.
authors.forename: Roger J
authors.initials: RJ
authors.lastname: Lewis
mesh_terms: D016292:Procedural Sedation / Q000379:methods*; D006801:Humans; D006993:Hypnotics and Sedatives / Q000008:administration & dosage; D015278:Intensive Care Units, Pediatric; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D012121:Respiration, Artificial; D012131:Respiratory Insufficiency / Q000451:nursing / Q000628:therapy
chemical_list: D006993:Hypnotics and Sedatives