TY - RPRT TI - Evolution of the CD4 family: teleost fish possess two divergent forms of CD4 in addition to lymphocyte activation gene-3 AU - K.J. Laing AU - J.J. Zou AU - M. K. Purcell AU - R. Phillips AU - C.J. Secombes AU - J.D. Hansen PY - 2006 DO - 10.4049/jimmunol.177.6.3939 UR - https://pubs.usgs.gov/publication/70028163 ID - 70028163 ER -