Polyphosphazenes That Contain Dipeptide Side Groups: Synthesis, Characterization, and Sensitivity to Hydrolysis Weikel, Arlin L. ; Krogman, Nicholas R. ; Nguyen, Nhu Q. ; Nair, Lakshmi S. ; Laurencin, Cato T. ; Allcock, Harry R. Abstract Publication: Macromolecules Pub Date: February 2009 DOI: 10.1021/ma802423c Bibcode: 2009MaMol..42..636W