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Funnel plots evaluating for publication bias in the main analyses. a) More# exclusive¶ breastfeeding versus less exclusive breastfeeding; b) more breastfeeding versus less breastfeeding; and c) ever versus never breastfed. #: “more” implying longer duration of breastfeeding; ¶: “exclusive” indicating breastmilk only with no other solids/liquids.
