Helen Lester, Julie Schmittdiel, Joe Selby, Bruce Fireman, Stephen Campbell, Janelle Lee et al
Lester H, Schmittdiel J, Selby J, Fireman B, Campbell S, Lee J et al.
The impact of removing financial incentives from clinical quality indicators: longitudinal analysis of four Kaiser Permanente indicators
BMJ 2010; 340 :c1898
doi:10.1136/bmj.c1898