TY - JOUR T1 - Comparison of Aerosol Delivery by Face Mask and Tracheostomy Collar JF - Respiratory Care SP - 1365 LP - 1366 DO - 10.4187/respcare.04345 VL - 60 IS - 9 AU - Thomas C Blakeman Y1 - 2015/09/01 UR - http://rc.rcjournal.com/content/60/9/1365.abstract N2 - ER -