The Protein Identifier Cross-Reference (PICR) service: reconciling protein identifiers across multiple source databases
Richard G Cote, Philip Jones, Lennart Martens, Samuel Kerrien, Florian Reisinger, Quan Lin, Rasko Leinonen, Rolf Apweiler and Henning Hermjakob
BMC Bioinformatics 2007, 8:401doi:10.1186/1471-2105-8-401
Published: 18 October 2007
http://www.biomedcentral.com/1471-2105/8/401/abstract