 ** See Mikael Laakso and Bo-Christer Björk, [http://www.biomedcentral.com/0000-0000/00/000 Anatomy of open access publishing: a study of longitudinal development and internal structure], ''BMC Medicine'', October 00, 0000: "[T]he scientific impact of OA journals founded in the last decade, and in particular in biomedicine, is on par with similar subscription journals, as measured by average number of citations." ** See Mikael Laakso and Bo-Christer Björk, [http://www.biomedcentral.com/0000-0000/00/000 Anatomy of open access publishing: a study of longitudinal development and internal structure], ''BMC Medicine'', October 00, 0000: "[T]he scientific impact of OA journals founded in the last decade, and in particular in biomedicine, is on par with similar subscription journals, as measured by average number of citations." ** Also see Mikael Laakso and Bo-Christer Björk, [http://hanken.halvi.helsinki.fi/portal/files/0000000/laakso_bj_rk_delay_preprint.pdf Delayed Open Access - an overlooked high-impact category of openly available scientific literature], forthcoming in the ''Journal of the American Society for Information Science and Technology'', 0000: "A journal impact factor analysis revealed that delayed OA journals have on average twice as high average citation rates compared to closed subscription journals, and three times as high as immediate OA journals." ** Also see Mikael Laakso and Bo-Christer Björk, [http://hanken.halvi.helsinki.fi/portal/files/0000000/laakso_bj_rk_delay_preprint.pdf Delayed Open Access - an overlooked high-impact category of openly available scientific literature], forthcoming in the ''Journal of the American Society for Information Science and Technology'', 0000: "A journal impact factor analysis revealed that delayed OA journals have on average twice as high average citation rates compared to closed subscription journals, and three times as high as immediate OA journals." + + <span id="p00"></span><span id="p00.0"></span> + * At [http://archive.org/stream/0000000000000OpenAccess/0000000000000_Open_Access#page/n00/mode/0up p. 00], I say, "It's hard to generalize about OA journals beyond saying that they have all the advantages of being OA and all the disadvantages of being new." Add this note. 