TY - JOUR T1 - <span hwp:id="article-title-1" class="article-title">Blowing the Pipes Clean Works!</span><span hwp:id="article-title-5" class="sub-article-title">The author responds:</span> JF - Respiratory Care SP - 1103 LP - 1104 VL - 55 IS - 8 AU - Alex Doyle AU - Mark S Siobal AU - Jack Hodd AU - Peter Young Y1 - 2010/08/01 UR - http://rc.rcjournal.com/content/55/8/1103.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -