http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Evolutionary patterns of MHC class II B in owls and their implications for the understanding of avian MHC evolution
Reto Burri, Helene Niculita Hirzel, Nicolas Salamin, Alexandre Roulin, Luca Fumagalli.