TY  - RPRT
TI  - A practical guide to assisted operating. 4. Instrument handling. 2.
AU  - E Paul
PY  - 1972
DO  - 10.1038/sj.bdj.4802924
UR  - https://pubmed.ncbi.nlm.nih.gov/4509403/
ID  - 4509403
ER  -