In Vitro Monitoring of Poly(ortho ester) Degradation by Electron Paramagnetic Resonance Imaging Capancioni, Sergio ; Schwach-Abdellaoui, Khadija ; Kloeti, Werner ; Herrmann, Werner ; Brosig, Holger ; Borchert, Hans-Hubert ; Heller, Jorge ; Gurny, Robert Abstract Publication: Macromolecules Pub Date: August 2003 DOI: 10.1021/ma034365q Bibcode: 2003MaMol..36.6135C