TY - JOUR T1 - Clinical Critical Care Medicine. JF - Respiratory Care SP - 924 LP - 926 VL - 52 IS - 7 AU - Juan N Pulido AU - J Christopher Farmer Y1 - 2007/07/01 UR - http://rc.rcjournal.com/content/52/7/924.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -