@misc{indiciaecd56becdb4ab, title = {Greenfield filter insertions: predictability of technical difficulties.}, author = {R Smyk and W H Baker}, year = {1988}, doi = {10.1016/s0890-5096(06)60807-8}, url = {https://pubmed.ncbi.nlm.nih.gov/3224059/}, note = {Source identifier: 3224059} }