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14. [Improved Ugeskrift for Laeger's economics following limited access on the net?]. Schroeder TV Ugeskr Laeger; 2011 Jan; 173(4):293; author reply 293. PubMed ID: 21322308 [No Abstract] [Full Text] [Related]
15. Connections between open access publishing and access to gray literature. Banks M J Med Libr Assoc; 2004 Apr; 92(2):164-6. PubMed ID: 15088074 [No Abstract] [Full Text] [Related]
16. Open-access publishing can survive recession. Aerts R Nature; 2009 Apr; 458(7241):967. PubMed ID: 19396122 [No Abstract] [Full Text] [Related]