00305nam a2200109Ia 4500008004100000040001100041100002100052245004100073260005300114300001700167300001100184251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aAlan N. Houghton 4aThe Journal of Experimental Medicine  c1999bThe Rockefeller University PressaNew York  aP. 1017-1520  bV. 189