a new type of human interferon ( ifn ) , ifn-alpha-c , produced in escherichia coli and purified on monoclonal antibodies , was given at a dose of 3 x 10 ( 6 ) u ( 3 micrograms ) /day to a terminally ill unsplenectomized patient with hairy cell leukemia , who had had severe recurrent infections and pancytopenia .
C0021747
interferon
C0023443
hairy cell