TY - RPRT TI - Polyurethanes with radiopaque properties. AU - Nirmala R James AU - Juby Philip AU - A Jayakrishnan PY - 2006 DO - 10.1016/j.biomaterials.2005.05.099 UR - https://pubmed.ncbi.nlm.nih.gov/16026821/ ID - 16026821 ER -