RT Journal Article SR Electronic T1 Can breast feeding modify the adverse effects of smoking during pregnancy on the child’s cognitive development? JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 403 OP 404 DO 10.1136/jech.57.6.403 VO 57 IS 6 A1 L Batstra A1 J Neeleman A1 M Hadders-Algra YR 2003 UL http://jech.bmj.com/content/57/6/403.abstract AB