1. Medicine in the 21st century;Lindberg;Methods Inf Med,2002
2. Open access to peer-reviewed research;Tamber;Lancet,2003
3. The nine flavours of open access scholarly publishing;Willinsky;J Postgrad Med,2003
4. The promise and peril of ‘open access.’;Guterman;Chronicle Higher Educ.,2004
5. Open access publishing takes off;Delamothe;BMJ,2004