Vivier , E . , Morin , P . , O ' Brien , C . , Druker , B . , Schlossman , S . F . , Anderson , P . 1991 . Tyrosine phosphorylation of the Fc gamma RIII ( CD 16 ) : zeta complex in human natural killer cells . Induction by antibody - dependent cytotoxicity but not by natural killing . J Immunol 146 , 206 - 210 .