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Citation: E. Frohlich et C. Klessen, Enzymatic heterogeneity of bovine retinal pigment epithelial cells in vivoand in vitro, GR ARCH CL, 239(1), 2001, pp. 25-34

Authors: Frohlich, E Schlagenhauff, B Mohrle, M Weber, E Klessen, C Rassner, G

Citation: E. Frohlich et al., Activity, expression, and transcription rate of the cathepsins B, D, H, and L in cutaneous malignant melanoma, CANCER, 91(5), 2001, pp. 972-982

Authors: Klessen, C Post, F Meyer, J Thelen, M Kreitner, KF

Citation: C. Klessen et al., Depiction of anomalous coronary vessels and their relation to the great arteries by magnetic resonance angiography, EUR RADIOL, 10(12), 2000, pp. 1855-1857

Authors: Frohlich, E Klessen, C

Citation: E. Frohlich et C. Klessen, Glutamine synthetase and marker enzymes of the blood-retina barrier in fetal bovine retinal pigment epithelial cells, GR ARCH CL, 238(6), 2000, pp. 500-507

Authors: Klessen, C Deutsch, HJ Karasch, T Landwehr, P Erdmann, E

Citation: C. Klessen et al., Thrombosis of the deep leg and pelvic veins in congenital agenesis of the inferior vena cava, DEUT MED WO, 124(17), 1999, pp. 523-526