title: The limitations of evidence from randomized trials.
authors.affiliation: Critical Care Division, Royal Victoria Hospital, McGill University, Montreal, Que. sheldon.magder@muhc.mcgill.ca
authors.forename: S
authors.initials: S
authors.lastname: Magder
mesh_terms: D006333:Heart Failure / Q000628:therapy; D006801:Humans; D007442:Intubation, Intratracheal; D008173:Lung Diseases, Obstructive / Q000628:therapy; D011175:Positive-Pressure Respiration; D016032:Randomized Controlled Trials as Topic; D012131:Respiratory Insufficiency / Q000628:therapy; D016896:Treatment Outcome