@article {Tashkin:2012:0020-1324:1354, author = "Tashkin, Donald P", title = "Is It Asthma, COPD, or Something In Between, and Does it Matter?", journal = "Respiratory Care", volume = "57", number = "8", year = "2012", abstract = "", pages = "1354-1356", url = "http://www.ingentaconnect.com/content/jrcc/rc/2012/00000057/00000008/art00023", doi = "doi:10.4187/respcare.01970" }