PT - JOURNAL ARTICLE AU - Thomas C Blakeman TI - Comparison of Aerosol Delivery by Face Mask and Tracheostomy Collar AID - 10.4187/respcare.04345 DP - 2015 Sep 01 TA - Respiratory Care PG - 1365--1366 VI - 60 IP - 9 4099 - http://rc.rcjournal.com/content/60/9/1365.short 4100 - http://rc.rcjournal.com/content/60/9/1365.full