TY - JOUR T1 - Airway Clearance: Physiology, Pharmacology, Techniques, and Practice JF - Respiratory Care SP - 1132 LP - 1133 VL - 52 IS - 9 AU - Rubin Bruce K AU - Dean R Hess Y1 - 2007/09/01 UR - http://rc.rcjournal.com/content/52/9/1132.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -