PT - JOURNAL ARTICLE AU - Scott E Copeman TI - Clinical Assessment in Respiratory Care. 5th edition. DP - 2006 Apr 01 TA - Respiratory Care PG - 426--427 VI - 51 IP - 4 4099 - http://rc.rcjournal.com/content/51/4/426.short 4100 - http://rc.rcjournal.com/content/51/4/426.full