TY - RPRT TI - Phosphonated polyurethanes that resist calcification. AU - R R Joshi AU - J R Frautschi AU - R E Phillips AU - R J Levy PY - 1994 DO - 10.1002/jab.770050109 UR - https://pubmed.ncbi.nlm.nih.gov/10146698/ ID - 10146698 ER -