TY - JOUR T1 - The authors respond: JF - Respiratory Care SP - 622 LP - 622 VL - 48 IS - 6 AU - James K Stoller AU - Douglas K Orens AU - Lucy Kester Y1 - 2003/06/01 UR - http://rc.rcjournal.com/content/48/6/622.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -