CoPub Mapper: mining MEDLINE based on search term co-publication. - Blaise T. F. Alako; Antoine Veldhoven; Sjozef van Baal; Rob Jelier; Stefan Verhoeven; Ton Rullmann; Jan Polman; Guido Jenster (BMC Bioinform., 2005)

CoPub: a literature-based keyword enrichment tool for microarray data analysis. - Raoul Frijters; Bart Heupers; Pieter van Beek; Maurice Bouwhuis; René C. van Schaik; Jacob de Vlieg; Jan Polman; Wynand Alkema (Nucleic Acids Res., 2008)

CoPub update: CoPub 5.0 a text mining system to answer biological questions. - Wilco W. M. Fleuren; Stefan Verhoeven; Raoul Frijters; Bart Heupers; Jan Polman; René C. van Schaik; Jacob de Vlieg; Wynand Alkema (Nucleic Acids Res., 2011)