@misc{indiciaed1f65ebaab8f, title = {A practical guide to assisted operating. 5. Instrument handling (3) and basic conservation.}, author = {E Paul}, year = {1972}, doi = {10.1038/sj.bdj.4802931}, url = {https://pubmed.ncbi.nlm.nih.gov/4511869/}, note = {Source identifier: 4511869} }