Don D Sin , SF Paul Man , Darcy D Marciniuk , Gordon Ford , Mark FitzGerald , Eric Wong , Ernest York , Rajesh R Mainra , Warren Ramesh , Lyle S Melenka , Eric Wilde , Robert L Cowie , Dave Williams and Roxanne Rousseau for the ABC (Advair, Biomarkers in COPD) Investigators
BMC Pulmonary Medicine 2006, 6:3doi:10.1186/1471-2466-6-3