The objective of this study is to estimate the influence of Open Access on publication patterns of the Argentina scientific community in different disciplines (Medicine; Physics and Astronomy; Agriculture and Biological Sciences; and Social Sciences and Humanities), based on an analysis of the access model that the chosen journals used to communicate their research results during 2008-‐2010. The sample was taken from the SCOPUS database and the open access models were selected through searches done using the following sources: DOAJ, e-‐revist@s, SCielo, Redalyc, PubMed, Romeo-‐Sherpa, and Dulcinea. The real and potential accessibility of national scientific production was analyzed following both golden and green routes, respectively, as...