Each pre-filled cartridge contains132 micrograms (36 MIU*) of interferon beta-1a** in 1.5 ml solution, corresponding to 88 micrograms/ ml.
Cada cartucho precargado contiene 132 microgramos (36 MUI*) de interferón beta-1a** en 1,5 ml de solución, que corresponden a 88 microgramos/ ml.