From 1972 Ferri worked mostly in the field of systemic sclerosis, cryoglobulinemic vasculitis, and other autoimmune systemic disorders at the Rheumatology Unit of the University of Pisa; in January 2003 he moved to the University of Modena & Reggio Emilia.
Ferri worked mostly in the field of systemic sclerosis at the Rheumatology Unit of the University of Pisa. This was from 1972. Ferri worked mostly in the field of cryoglobulinemic vasculitis at the Rheumatology Unit of the University of Pisa. This was from 1972. Ferri worked mostly in the field of other autoimmune systemic disorders at the Rheumatology Unit of the University of Pisa. This was from 1972. He moved to the University of Modena & Reggio Emilia. This was in January 2003.