Group #1 2000 paper (10618382) Group #2 2001 paper (11427891) Group #3 2002 paper (11854495) (Medline PMID)
Group #2 2003 paper Yes Yes Yes 12522259
Group #5 2003 paper Yes Yes Yes 12831877
Group #6 2003 paper Yes Yes Yes 12897855
Group #7 2004 paper Yes Yes Yes 15321707
Group #8 2004 paper Yes Yes Yes 15447507
Group #3 2005 paper Yes Yes Yes 15663933
Group #9 2005 paper Yes Yes Yes 16002089
Group #7 2005 paper Yes Yes Yes 15882698
Group #10 2006 paper Yes Yes Yes 16453064
Group #1 2006 paper Yes No Yes 17043216
Group #11 2006 paper Yes Yes Yes 17012315
Group #6 2007 paper Yes Yes Yes 17108322
Table 1: Co-citations of three publications in a small list of related publications. Incidence of grouped-co-citation of 3 seminal papers in a particular field by 11 independent laboratories. Ten out of 11 groups cite the 3 seminal publications in a grouped-co-citation.