TY - JOUR T1 - Models of Exacerbations in Asthma and COPD. JF - Respiratory Care SP - 798 LP - 799 VL - 53 IS - 6 AU - Sanjay Sethi Y1 - 2008/06/01 UR - http://rc.rcjournal.com/content/53/6/798.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -