BALTIMORE, Maryland, July 3 -- The American Journal of Epidemiology, a peer-reviewed journal from the Johns Hopkins University Bloomberg School of Public Health that says it publishes research findings, opinion pieces and methodological developments in the field of epidemiologic research, published research articles, including the following topics, in its July 2021 edition:

Systematic Reviews and Meta- and Pooled Analysis:

* Is the US Gender Gap in Depression Changing O . . .

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