00314nam a2200097Ia 4500008004100000040001100041245009300052260004700145300001300192300001100205251112s9999||||xx |||||||||||||| ||und||  aCNCLSA 4aThe Journal of ImmunologybOfficial Journal of the American Association of Immunologists  cNovember 1, 1996bAcademic PressaNew York  aP. 1-604  bV. 274