Edited jointly by the CRES (Center for Research in Health and Economics, Pompeu Fabra University, Barcelona), Gaspar CasalFoundation (Madrid) and the IISS (Foundation Institute for Health Services Research, Valencia), it is a quarterly publicationwhose core objective is the dissemination of new knowledge on clinical and healthcare management through the selection andsummary of those well-conducted and more useful research. The procedure followed in GCS is reviewing a number of scientific journals, identifying the ones of most interest, which are summarized under an illustrative title. The summary is accompanied by a comment made by an expert who tries to contextualize the usefulness and limitations of the revised work.