title: Moose on the loose: checklist for meta-analyses of observational studies.
authors: Department of Dermatology, Leiden University Medical Centre, Leiden, the Netherlands. e.j.van_zuuren@lumc.nl.
authors: E J
authors: EJ
authors: van Zuuren
authors: Cochrane Bahrain, PO Box 25438, Awali, Bahrain.
authors: Z
authors: Z
authors: Fedorowicz
mesh_terms: D057189:Checklist; D015201:Meta-Analysis as Topic; D064887:Observational Studies as Topic / Q000592:standards*; D010506:Periodicals as Topic / Q000592:standards; D017410:Practice Guidelines as Topic / Q000592:standards*; D017594:Publication Bias; D012107:Research Design / Q000592:standards; D012196:Review Literature as Topic