TY - JOUR T1 - Tracheostomy From A to Z: Historical Context and Current Challenges JF - Respiratory Care SP - 473 LP - 475 VL - 50 IS - 4 AU - David J Pierson Y1 - 2005/04/01 UR - http://rc.rcjournal.com/content/50/4/473.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -