RT Journal Article SR Electronic T1 Prevalence of hypertension is about 1–2% in African American girls and 0.5% in Caucasian girls aged 9 or 10 years, and prevalence increased with obesity JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 63 OP 64 DO 10.1136/ebm1180 VO 16 IS 2 A1 Dimitrios Papandreou YR 2011 UL http://ebm.bmj.com/content/16/2/63.abstract AB