@misc{indiciae778855ec3ff7, title = {Dual-purpose cannula.}, author = {I F Pye and W Deaville and J Silk}, year = {1970}, doi = {10.1016/s0140-6736(70)92480-3}, url = {https://pubmed.ncbi.nlm.nih.gov/4193756/}, note = {Source identifier: 4193756} }