@misc{indiciae4d7bedb7969e, title = {A practical guide to assisted operating. 3. Instrument handling. 1.}, author = {E Paul}, year = {1972}, doi = {10.1038/sj.bdj.4802919}, url = {https://pubmed.ncbi.nlm.nih.gov/4510029/}, note = {Source identifier: 4510029} }