Association of the X-chromosomal genes TIMP1 and IL9R with rheumatoid arthritis - Burkhardt, Jana; Petit-Teixeira, Elisabeth; Teixeira, Vitor Hugo; Kirsten, Holger; Garnier, Sophie; Ruehle, Sandra; Oeser, Christian; Wolfram, Grit; Scholz, Markus; Migliorini, Paola; Balsa, Alejandro; Westhovens, Renè; et al. (The Journal of rheumatology, 2009)