D2. Mixed Metal Oxide Nanoparticles for Seroma Treatment: A Comparative Long-term Study in Rats oleh Michael-Alexander Pais, MD, Athanasios Papanikolaou, MD, Isabel Arenas Hoyos, MD, Robert Nißler, PhD, Simone de Brot, PhD, Alexander Gogos, PhD, Robert Rieben, Prof., Mihai A. Constantinescu, Prof., MD, Martin T. Matter, PhD, Inge K. Herrmann, Prof., Ioana Lese, MD