Authors: C Salvarani; L Boiardi; P Macchioni; F Rossi; P Tartoni; M Casadei Maldini; R Mancini; E Beltrandi; I Portioli Journal: Ann Rheum Dis Date: 1995-08 Impact factor: 19.103
Authors: R Wade Crow; Bradley J Katz; Judith E A Warner; Stephen C Alder; Kang Zhang; Susan Schulman; Kathleen B Digre Journal: J Gerontol A Biol Sci Med Sci Date: 2009-02-04 Impact factor: 6.053