PT  - JOURNAL ARTICLE
AU  - Lindy S Klaff
TI  - UpToDate in Pulmonary and Critical Care Medicine, Version 13.3.
DP  - 2006 Jul 01
TA  - Respiratory Care
PG  - 776--777
VI  - 51
IP  - 7
4099  - http://rc.rcjournal.com/content/51/7/776.short
4100  - http://rc.rcjournal.com/content/51/7/776.full