Fig. 1

Flow diagram of the article selection process. (*) Conference proceedings, editorials, opinion papers; studies conducted outside Europe; published in other languages than English; published in journals without peer-review; published before 2006; reporting on HIV testing in other settings; reporting on HIV testing in multiple settings without singling out results for general practices; reporting on HIV testing provided by general practitioners in community based settings (outreach); reporting on the effectiveness of indicator-disease-based testing if not referring specifically to HIV testing attitudes and practices of GPs