Abstract. In France, Germany, Spain, and the United Kingdom, the decades from the late 1980s to the present have witnessed significant change in health policy.

Abstract. The last few years have seen the emergence of several open access (OA) options in scholarly communication, which can be grouped broadly into two areas referred to as gold and green roads. Several recent studies have shown how large the extent of OA is, but there have been few studies showing the impact of OA in the visibility of journals covering all scientific fields and geographical regions.