A method for preparing interferon in which {HEAD ~ MRC 5 cells} are induced for {TAIL ~ 2 to 3 hours} with an interferon inducing medium containing from 0.1 to 50mg 1 1 of a ds RNA, 100mg 1 1 of DEAE Dextran and 250 m.M of sucrose 
are induced for
A method for preparing interferon in which { HEAD ~ MRC 5 cells } are induced for { TAIL ~ 2 to 3 hours } with an interferon inducing medium containing from 0.1 to 50 mg 1 1 of a ds RNA , 100 mg 1 1 of DEAE Dextran and 250 m. M of sucrose
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