TY - JOUR T1 - Has the Opportunity Gone Up in Smoke? JF - Respiratory Care SP - 1391 LP - 1393 DO - 10.4187/respcare.02617 VL - 58 IS - 8 AU - Erna L Boone Y1 - 2013/08/01 UR - http://rc.rcjournal.com/content/58/8/1391.abstract N2 - ER -