1. Osteosclerosis and new bone formation in young onset and late onset rheumatoid arthritis according to rheumatoid factor seropositivity. Issue 4 (August 1984) Authors: Ferraccioli, G F; Cavalieri, F; Mercadanti, M; Ambanelli, U Journal: Annals of the rheumatic diseases Issue: Volume 43:Issue 4(1984) Page Start: 661 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗