title: Systematic review or meta-analysis? Their place in the evidence hierarchy.
authors.affiliation: Unit of Infectious Diseases, Ramabm Health Care Campus, Haifa, Israel. m_paul@rambam.health.gov.il.
authors.forename: M
authors.initials: M
authors.lastname: Paul
authors.forename: L
authors.initials: L
authors.lastname: Leibovici
mesh_terms: D006801:Humans; D015201:Meta-Analysis as Topic; D012196:Review Literature as Topic