Mouton, Wolfgang, Anna K Habegger, Beat Haenni, Stefan Tschanz, Iris Baumgartner, and Matthias Ochs. 2013. “Valve Disease in Chronic Venous Disorders: A quantitative Ultrastructural Analysis by Transmission Electron Microscopy and Stereology”. Swiss Medical Weekly 143 (0708):w13755. https://doi.org/10.4414/smw.2013.13755.