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October 2012 – Phys. Med. Biol. 57, 7431–7441 (2012) – U. Lundström, D. H. Larsson, A. Burvall, L. Scott, U. Westermark, M. Arsenian Henriksson and H. M. Hertz

The KTH/KI team investigates the limits of the CO2/phase-contrast imaging method and concludes that sub-10-µm vessels can be imaged in thick tissue at acceptable dose, a factor 5-10 better than any competing method. The method is demonstrated in mouse ears and relies on the high brightness of Excillum MetalJet sources.