1 Subjects: “...Anemia, Iron-Deficiency / epidemiology...”

2 “... of the epidemiologic studies include exclusively or predominantly white populations. CONCLUSIONS: A limited number...”

3 “... epidemiologically related to reduced short-term (e.g., injuries, alcohol-related problems) and long-term (e.g...”

4 “... epidemiologically related to reduced short-term (e.g., injuries, alcohol-related problems) and long-term (e.g...”

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6 “..., journals, and reference lists for systematic reviews, epidemiologic surveys, and controlled trials...”

7 “... USPSTF methods to rate the internal validity of trials and epidemiologic studies. DATA SYNTHESIS: New...”

8 “... USPSTF methods to rate the internal validity of trials and epidemiologic studies. DATA SYNTHESIS: New...”

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