RT Journal Article SR Electronic T1 What lies behind this late-onset wheeze? JF Breathe JO breathe FD European Respiratory Society SP 87 OP 92 VO 4 IS 1 A1 G. Schembri A1 A. Vella A1 M.V. Balzan YR 2007 UL http://breathe.ersjournals.com/content/4/1/87.abstract AB