TY  - RPRT
TI  - Preoperative preparation. Historical development.
AU  - S L Oetker-Black
PY  - 1993
DO  - 10.1016/s0001-2092(07)67172-5
UR  - https://pubmed.ncbi.nlm.nih.gov/8317928/
ID  - 8317928
ER  -