TY  - RPRT
TI  - [Practice guidelines in medicine--validity for clinical application?].
AU  - G Ollenschläger
AU  - H Kirchner
AU  - M Fiene
PY  - 2001
DO  - 10.1007/s001080050782
UR  - https://pubmed.ncbi.nlm.nih.gov/11326730/
ID  - 11326730
ER  -