TY - JOUR AU - Bollow, M TI - Quantitative analyses of sacroiliac biopsies in spondyloarthropathies: T cells and ma- crophages predominate in early and active sacroiliitis-cellularity correlates with the degree of enhancement detected by magnetic resonance imaging JO - Ann Rheum Dis IS - 02 VL - 59 PY - 2000 DO - 10.1136/ard.59.2.135 L3 - PubMed-ID: 10666170 SP - 135 EP - 140. N1 - et al. ER -