TY - RPRT TI - Critical issues in the characterization of polymers for medical application AU - McDonough, Walter G AU - Amis, Eric J AU - Kohn, Joachim PY - 2000 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 6535 DO - 10.6028/NIST.IR.6535 ER -