Effect of addition of salmeterol versus doubling the dose of fluticasone propionate on specific airway resistance in children with asthma.
Murray
Clare S
CS
The University of Manchester, Manchester Academic Health Science Centre, National Institute for Health Research, University Hospital of South Manchester National Health Service Foundation Trust, UK. clare.murray@manchester.ac.uk
Custovic
Adnan
A
Lowe
Lesley A
LA
Aldington
Sarah
S
Williams
Mathew
M
Beasley
Richard
R
Woodcock
Ashley
A