Koppelaar et al put forward an interesting view on implementation in their article (Occup Environ Med 2009;66:353–60). They state that the results of interventions will depend not only on the effectiveness of the intervention itself but also on appropriate implementation in the actual work situation. However, the term “implementation” and the use of the supportive reference by Grol and Grimshaw are not used in their proper context here.1 The idea is that once an intervention has been shown to be effective, it should be implemented into healthcare, meaning …