Characterisation of <Emphasis Type="Italic">Mhc</Emphasis> class I and class II <Emphasis Type="Italic">DRB</Emphasis> polymorphism in red-bellied tamarins (<Emphasis Type="Italic">Saguinus labiatus</Emphasis>)
(1) Division of Retrovirology, National Institute for Biological Standards and Control, Health Protection Agency, South Mimms, Potters Bar, Hertfordshire, EN6 3QG, UK