00313nam a2200109Ia 4500008004100000040001100041100001900052245004100071260006400112300001600176300001100192251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aZanvil A. Cohn 4aThe Journal of Experimental Medicine  cOctober 1, 1973bThe Rockefeller University PressaNew York  aP. 745-1645  bV. 378