Corticotropin-releasing hormone promoter polymorphisms in patients with rheumatoid arthritis from northwest Spain - Gonzalez-Gay, M A; Hajeer, A H; Garcia-Porrua, C; Dababneh, A; Amoli, M M; Botana, M A; Thomson, W; Llorca, J; Ollier, W E (J Rheumatol, 2003)