00305nam a2200109Ia 4500008004100000022001400041040001100055245003000066260007200096300001600168300001100184251112s9999||||xx |||||||||||||| ||und||  a0022-1767  aCNCLSA 4aThe Journal of Immunology  cFebruary 15, 1987bThe American Association of ImmunologistsaU.S.A  aP. 999-2015  bV. 138