00371nam a2200109Ia 4500008004100000022001400041040001100055245009300066260007400159300001700233300001100250251112s9999||||xx |||||||||||||| ||und||  a0022-1767  aCNCLSA 4aThe Journal of ImmunologybOfficial Journal of the American Association of Immunologists  cAugust 15, 1990bThe American Association of ImmunologistsaBaltimore  aP. 1039-2000  bV. 145