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Figure 1
The number of structures (black) and the number of chains (grey) released each year in the PDB, from 1976 to 2012.

Journal logoBIOLOGICAL
CRYSTALLOGRAPHY
ISSN: 1399-0047
Volume 69| Part 11| October 2013| Pages 2186-2193
doi:10.1107/S0907444913027157
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