RT Journal Article SR Electronic T1 US healthcare reform and the evidence gap: the need for high-quality research in paediatric preventive care JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 34 OP 35 DO 10.1136/ebm20006 VO 16 IS 2 A1 Kistin, Caroline J YR 2011 UL http://ebm.bmj.com/content/16/2/34.abstract AB