PT - JOURNAL ARTICLE AU - Mark D Siegel TI - Technique and the Rapid Shallow Breathing Index DP - 2009 Nov 01 TA - Respiratory Care PG - 1449--1450 VI - 54 IP - 11 4099 - http://rc.rcjournal.com/content/54/11/1449.short 4100 - http://rc.rcjournal.com/content/54/11/1449.full