TY - RPRT TI - Polyurethane elastomers as maxillofacial prosthetic materials. AU - A J Goldberg AU - R G Craig AU - F E Filisko PY - 1978 DO - 10.1177/00220345780570040501 UR - https://pubmed.ncbi.nlm.nih.gov/280569/ ID - 280569 ER -