TY  - RPRT
TI  - Graphical knowledge acquisition for medical diagnostic expert systems.
AU  - U Gappa
AU  - F Puppe
AU  - S Schewe
PY  - 1993
DO  - 10.1016/0933-3657(93)90024-w
UR  - https://pubmed.ncbi.nlm.nih.gov/8358495/
ID  - 8358495
ER  -