@article {Leasa507, author = {David J Leasa and Ian Ball}, title = {Procedures, Techniques, and Minimally Invasive Monitoring in Intensive Care Medicine, 4th edition.}, volume = {53}, number = {4}, pages = {507--508}, year = {2008}, publisher = {Respiratory Care}, issn = {0020-1324}, URL = {https://rc.rcjournal.com/content/53/4/507}, eprint = {https://rc.rcjournal.com/content/53/4/507.full.pdf}, journal = {Respiratory Care} }