50 million years of chordate evolution: seeking the origins of adaptive immunity.
Laird
D J
DJ
Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305-5324, USA. dlaird@leland.stanford.edu
De Tomaso
A W
AW
Cooper
M D
MD
Weissman
I L
IL
D000818:Animals; D005075:Biological Evolution; D006801:Humans; D007109:Immunity