Figure 2.

Forest plot of the impact of food subsidy programmes on birth weight in grams (WIC studies).**SD is missing for Rush 1998b, Hoynes 2009, Rush 1988a and Metcoff 1985 and average SD from available studies is used as an estimate.

Black et al. BMC Public Health 2012 12:1099   doi:10.1186/1471-2458-12-1099
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