RT Journal Article SR Electronic T1 Screening for Phenylketonuria (PKU): US Preventive Services Task Force Reaffirmation Recommendation JF The Annals of Family Medicine JO Ann Fam Med FD American Academy of Family Physicians SP 166 OP 166 DO 10.1370/afm.820 VO 6 IS 2 YR 2008 UL http://www.annfammed.org/content/6/2/166.1.abstract AB