title: Not waving but drowning... in systematic reviews.
authors.forename: Shah
authors.initials: S
authors.lastname: Ebrahim
mesh_terms: D015984:Causality; D002986:Clinical Trials as Topic / Q000379:methods; D015986:Confounding Factors, Epidemiologic; D004812:Epidemiologic Methods; D006801:Humans; D015201:Meta-Analysis as Topic; D012196:Review Literature as Topic; D013405:Suicide