99 Rekombinant interferon alfa- 2b har uppvisat antiproliferativa effekter i studier med både animala och humana cellkultursystem, såväl som humana tumörxenograft i djur. ###>Recombinant interferon alfa-2b has exhibited antiproliferative effects in studies employing both animal and human cell culture systems as well as human tumour xenografts in animals.