Authors: J L Andreu-Sanchez; J M Martin-Santos; C Isasi-Zaragoza; A Trujillo-Castellanos; E Cuende-Quintana; J Mulero Journal: Ann Rheum Dis Date: 1991-01 Impact factor: 19.103
Authors: J Graña Gil; P Alonso Aquirre; M T Yebra Pimental; J Sánchez Bursón; J L Vásquez Iglesias; F Galdo Fernandez Journal: Clin Rheumatol Date: 1991-06 Impact factor: 2.980