PT - JOURNAL ARTICLE AU - Erna L Boone TI - Has the Opportunity Gone Up in Smoke? AID - 10.4187/respcare.02617 DP - 2013 Aug 01 TA - Respiratory Care PG - 1391--1393 VI - 58 IP - 8 4099 - http://rc.rcjournal.com/content/58/8/1391.short 4100 - http://rc.rcjournal.com/content/58/8/1391.full