ObjectivesTo systematically explore how the sources of evidence. types of primary studies. and tools used to assess the quality of the primary studies vary across systematic reviews (SRs) in public health. MethodsWe conducted a methodological survey of SRs in public health by searching the of literature in selected journals from electronic bibliographic databases. https://www.animationbengal.com/?w=top-sale-napoleon-perdis-the-one-concealer-on-sale-great-pick