title: The challenges of comparing results between placebo controlled randomized trials and non-experimental new user, active comparator cohort studies: the example of olmesartan.
authors.affiliation: Center for Health Research, Geisinger Health System, Danville, PA, USA; Department of Environmental Health Sciences, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
authors.forename: Wendy
authors.initials: W
authors.lastname: Camelo Castillo
authors.forename: Joseph A C
authors.initials: JA
authors.lastname: Delaney
authors.forename: Til
authors.initials: T
authors.lastname: Stürmer
mesh_terms: D057911:Angiotensin Receptor Antagonists / Q000008:administration & dosage* / Q000009:adverse effects*; D000806:Angiotensin-Converting Enzyme Inhibitors / Q000009:adverse effects*; D002318:Cardiovascular Diseases / Q000453:epidemiology*; D003920:Diabetes Mellitus / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007093:Imidazoles / Q000008:administration & dosage* / Q000009:adverse effects*; D008297:Male; D009203:Myocardial Infarction / Q000453:epidemiology*; D020521:Stroke / Q000453:epidemiology*; D013777:Tetrazoles / Q000008:administration & dosage* / Q000009:adverse effects*
chemical_list: D057911:Angiotensin Receptor Antagonists; D000806:Angiotensin-Converting Enzyme Inhibitors; D007093:Imidazoles; D013777:Tetrazoles; C437965:olmesartan