TY - JOUR A1 - Ward, M.M. A1 - Leigh, J.P. T1 - Marital status and the progression of functional disability in patients with rheumatoid arthritis Y1 - 1993 DO - 10.1002/art.1780360502 JF - Arthritis and Rheumatism VL - 36 IS - 5 SP - 581 EP - -588 ER -