- Pain in femoral arteriography. A double-blind, randomized, clinical study comparing safety and efficacy of the iso-osmolar iodixanol 270 mgI/ml and the low-osmolar iomeprol 300 mgI/ml in 9 European centers. Manke, C., Marcus, C., Page, A., Puey, J., Batakis, O., Fog, A. Acta radiologica (Stockholm, Sweden : 1987) (2003)