Interferon Beta-1A REBIF SOLUTION FOR INJECTION IN PRE-FILLED PEN 22MCG/0.5ML 5 years ago REBIF SOLUTION FOR INJECTION IN PRE-FILLED PEN 44MCG/0.5ML 5 years ago REBIF SOLUTION FOR INJECTION IN CARTRIDGE 44MCG/0.5ML 5 years ago REBIF SOLUTION FOR INJECTION IN CARTRIDGE 22MCG/0.5ML 5 years ago