C-reactive protein polymorphisms influence serum CRP-levels independent of disease activity in ankylosing spondylitis.

Claushuis TA, de Vries MK, van der Weijden MA, Visman IM, Nurmohamed MT, Twisk JW, Van der Horst-Bruinsma IE, Crusius JB
Clin Exp Rheumatol. 2015 Mar-Apr;33(2):159-65. Epub 2015 Jan 20.