Use of low-dose oral theophylline as an adjunct to inhaled corticosteroids in preventing exacerbations of chronic obstructive pulmonary disease: study protocol for a randomised con...

by Devereux, Graham, Cotton, Seonaidh, Barnes, Peter, Briggs, Andrew, Burns, Graham, Chaudhuri, Rekha, Chrystyn, Henry, Davies, Lisa, De Soyza, Anthony, Fielding, Shona, Gompertz, Simon, Haughney, John, Lee, Amanda J., McCormack, Kirsty, McPherson, Gladys, Morice, Alyn, Norrie, John, Sullivan, Anita, Wilson, Andrew, Price, David
Published 2015