RT Journal Article SR Electronic T1 A 2-year early childhood psychosocial stimulation programme improves cognitive outcomes and decreases violent behaviour at 22 years for children with growth retardation JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 49 OP 50 DO 10.1136/ebm.2011.100158 VO 17 IS 2 A1 Richard E Tremblay YR 2012 UL http://ebm.bmj.com/content/17/2/49.abstract AB