TY - RPRT TI - An object-oriented approach to knowledge representation in a biomedical domain. AU - M Ensing AU - R Paton AU - P H Speel AU - R Rada PY - 1994 DO - 10.1016/0933-3657(94)90025-6 UR - https://pubmed.ncbi.nlm.nih.gov/7858660/ ID - 7858660 ER -