Figure 6

Frequency of co-citation links between veterinary medicine and other disciplines, by region. (A) Frequency of co-citation links between veterinary journals and journals in other subject areas. (B) Frequency of co-citation links between Miscellaneous veterinary journals and journals in other subject categories. Annual co-citation maps were available for up to 12 years (1998–2010) for 93 countries in Western Europe (n = 19), Eastern Europe (n = 20), Africa (n = 8), North America (n = 2), Latin America (n = 11), Middle East (n = 15), Asia (n = 16), and the Pacific (n = 2).