Loes M T Schouten senior consultant, Marlies E J L Hulscher senior researcher, Jannes J E van Everdingen senior consultant, Robbert Huijsman professor, Richard P T M Grol professor and director
Schouten L M T, Hulscher M E J L, Everdingen J J E v, Huijsman R, Grol R P T M.
Evidence for the impact of quality improvement collaboratives: systematic review
BMJ 2008; 336 :1491
doi:10.1136/bmj.39570.749884.BE