TY - RPRT TI - Biodegradable poly(ether ester urethane)urea elastomers based on poly(ether ester) triblock copolymers and putrescine: synthesis, characterization and cytocompatibility. AU - Jianjun Guan AU - Michael S Sacks AU - Eric J Beckman AU - William R Wagner PY - 2004 DO - 10.1016/s0142-9612(03)00476-9 UR - https://pubmed.ncbi.nlm.nih.gov/14580912/ ID - 14580912 ER -