PT - JOURNAL ARTICLE AU - Donald P Tashkin TI - Is It Asthma, COPD, or Something In Between, and Does it Matter? AID - 10.4187/respcare.01970 DP - 2012 Aug 01 TA - Respiratory Care PG - 1354--1356 VI - 57 IP - 8 4099 - http://rc.rcjournal.com/content/57/8/1354.short 4100 - http://rc.rcjournal.com/content/57/8/1354.full