TY  - RPRT
TI  - [Operation documentation. A program for the detection and statistical documentary evaluation of surgery reports].
AU  - G Helbing
AU  - W Gaus
AU  - D Gienger
AU  - T Bleicher
PY  - 1989
UR  - https://pubmed.ncbi.nlm.nih.gov/2707095/
ID  - 2707095
ER  -