@article {Klaff776, author = {Lindy S Klaff}, title = {UpToDate in Pulmonary and Critical Care Medicine, Version 13.3.}, volume = {51}, number = {7}, pages = {776--777}, year = {2006}, publisher = {Respiratory Care}, issn = {0020-1324}, URL = {https://rc.rcjournal.com/content/51/7/776}, eprint = {https://rc.rcjournal.com/content/51/7/776.full.pdf}, journal = {Respiratory Care} }