title: Pitfalls in meta-analysis of observational studies: lessons from a systematic review of the risks of stenting for intracranial atherosclerosis.
authors.forename: Ludovic
authors.initials: L
authors.lastname: Trinquart
authors.forename: Emmanuel
authors.initials: E
authors.lastname: Touzé
mesh_terms: D006801:Humans; D017130:Angioplasty / Q000009:adverse effects / Q000401:mortality / Q000706:statistics & numerical data; D015982:Bias; D002986:Clinical Trials as Topic / Q000706:statistics & numerical data; D000075202:Contraindications; D003627:Data Interpretation, Statistical; D002537:Intracranial Arteriosclerosis / Q000601:surgery; D015201:Meta-Analysis as Topic; D018570:Risk Assessment / Q000379:methods; D015607:Stents / Q000009:adverse effects / Q000706:statistics & numerical data; D020521:Stroke / Q000209:etiology / Q000517:prevention & control / Q000601:surgery; D000078202:Systematic Reviews as Topic