00339nam a2200121Ia 4500008004100000022001400041040001100055100001900066245004100085260006400126300001600190300001100206251112s9999||||xx |||||||||||||| ||und||  a0022-1007  aCNCLSA  aZanvil A. Cohn 4aThe Journal of Experimental Medicine  cOctober 1, 1978bThe Rockefeller University PressaNew York  aP. 837-1758  bV. 148