Effects of older age and age of asthma onset on clinical and inflammatory variables in severe refractory asthma

Rekha Chaudhuri, Charles McSharry, Liam G. Heaney, Robert Niven, Christopher E. Brightling, Andrew N. Menzies-Gow, Christine Bucknall, Adel H. Mansur, Waiting Lee, Malcolm Shepherd, Mark Spears, Douglas C. Cowan, Holger Husi, Neil C. Thomson