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JOURNAL.PONE.0020961
JOURNAL.PONE.0020961
http://dx.doi.org/10.1371/JOURNAL.PONE.0020961
The development of open access journal publishing from 1993 to 2009
P356
Q21135345-83F0059A-76CC-4B64-991F-AA730FD52979
P356
JOURNAL.PONE.0020961
http://dx.doi.org/10.1371/JOURNAL.PONE.0020961