1 Subjects: “...Cohort Studies...”

2 Subjects: “...Cohort Studies...”

3 “..., and observational studies do not clearly establish the magnitude of benefit. For women enrolled in WIC, low SOE...”

4 “... was similar, and (4) studies were double-blinded randomized controlled trials of low or medium risk of bias...”

5 “... was similar, and (4) studies were double-blinded randomized controlled trials of low or medium risk of bias...”

6 “... review. DATA SOURCES: MEDLINE(r), CINAHL(r), Cochrane Library, Cochrane Clinical Trials Registry, PILOTS...”

7 “... review. DATA SOURCES: MEDLINE(r), CINAHL(r), Cochrane Library, Cochrane Clinical Trials Registry, PILOTS...”