RT Journal Article SR Electronic T1 The UK National Health Service and Pay-for-performance: Lessons for the United States JF The Annals of Family Medicine JO Ann Fam Med FD American Academy of Family Physicians SP 275 OP 276 DO 10.1370/afm.569 VO 4 IS 3 A1 Anton J. Kuzel A1 Vanessa Diaz A1 Kelly J. Devers YR 2006 UL http://www.annfammed.org/content/4/3/275.2.abstract AB