TY - JOUR T1 - The author responds JF - Respiratory Care SP - 1092 LP - 1092 VL - 53 IS - 8 AU - Robert E Siegel Y1 - 2008/08/01 UR - http://rc.rcjournal.com/content/53/8/1092.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -