CT-guided intraarticular corticosteroid injection into the sacroiliac joints in patients with spondyloarthropathy: indication and follow-up with contrast-enhanced MRI. - Bollow,M.; Braun,J.; Taupitz,M.; Haberle,J.; Reibhauer,B.H.; Paris,S.; Mutze,S.; Seyrekbasan,F.; Wolf,K.J.; Hamm,B. (J Comput Assist Tomogr, 1996)