FADS2 Polymorphisms Modify the Effect of Breastfeeding on Child IQ Steer, Colin D. ; Davey Smith, George ; Emmett, Pauline M. ; Hibbeln, Joseph R. ; Golding, Jean Abstract Publication: PLoS ONE Pub Date: July 2010 DOI: 10.1371/journal.pone.0011570 Bibcode: 2010PLoSO...511570S