00341nam a2200121Ia 4500008004100000022001400041040001100055100002100066245004100087260006500128300001700193300000900210251112s9999||||xx |||||||||||||| ||und||  a0022-1007  aCNCLSA  aAlan N. Houghton 4aThe Journal of Experimental Medicine  cNovember 3, 1997bThe Rockefeller University PressaNew York  aP. 1407-2115  bV.37