An intervention program with the aim to improve and maintain work productivity for workers with rheumatoid arthritis: design of a randomized controlled trial and cost-effectiveness study
2004 ◽
Vol 27
(7)
◽
pp. 457-465
◽
1989 ◽
Vol 32
(12)
◽
pp. 1505-1514
◽
2011 ◽
Vol 9
(1)
◽
pp. 11-13