TY - RPRT TI - Segmented polyurethane: a polyether polymer. An initial evaluation for biomedical applications. AU - J W Boretos AU - W S Pierce PY - 1968 DO - 10.1002/jbm.820020109 UR - https://pubmed.ncbi.nlm.nih.gov/5708000/ ID - 5708000 ER -