Ex Vivo Measurement of Postmortem Tissue Changes in the Crystalline Lens by Brillouin Spectroscopy and Confocal Reflectance Microscopy. - Stephan Reiß; Karsten Sperlich; Marine Hovakimyan; Philipp Martius; Rudolf F. Guthoff; Heinrich Stolz; Oliver Stachs (IEEE Trans. Biomed. Eng., 2012)