000 00351nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a754.29
_bLAN
100 _aLangman, Rodney S
245 _aImmune system : evolutionary principles guide our understanding of this complex biological defense system
260 _bAcademic Press
_aNew York
_c1989
999 _c133578
_d133578