TY - RPRT TI - A solution grade biostable polyurethane elastomer: ChronoFlex AR. AU - A M Reed AU - J Potter AU - M Szycher PY - 1994 DO - 10.1177/088532829400800303 UR - https://pubmed.ncbi.nlm.nih.gov/8176635/ ID - 8176635 ER -