1. Isolated HLA-B27 associated Achilles tendinitis;Olivieri, I.; Gemignani, G.; Gherardi, S.; Grassi, L.; L, Ciompi M.;Ann Rheum Dis,1987
2. Achilles tendon: US examination;D, Fornage B.;Radiology,1986
3. Plantar fasciitis and Achilles tendinitis among 150 cases of seronegative spondarthritis;C, Gester J.;Rheumatol Rehabil,1980
4. Diffuse Achilles tendon thickening in juvenile onset seronegative HLA-B27 positive spondyloarthropathy;Olivieri, I.; Gemignani, G.; Bini, C.; Grassi, L.; Pasero, G.;7 Rheumatol,1988
5. Isolated HLA-B27 associated peripheral enthesitis;Olivieri, I.; Gemignani, G.; Braccini, G.; Romagnoli, C.; Pasero, G.;J Reumatol,1989