PT - JOURNAL ARTICLE AU - Pierson, David J TI - Tracheostomy From A to Z: Historical Context and Current Challenges DP - 2005 Apr 01 TA - Respiratory Care PG - 473--475 VI - 50 IP - 4 4099 - http://rc.rcjournal.com/content/50/4/473.short 4100 - http://rc.rcjournal.com/content/50/4/473.full