%0 Journal Article %T Adaptive Evolution of Variable Region Genes Encoding an Unusual Type of Immunoglobulin in Camelids %A Su, Chen %A Nguyen, Viet Khong %A Nei, Masatoshi %J Molecular Biology and Evolution %V 19 %N 3 %P 205-215 %@ 0737-4038 %D 2002-03-01 %I Oxford University Press %~ DeepDyve