TrialTrials2015
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 controlled trial.
Graham Devereux et al.PubMed ↗Full text ↗Publisher ↗
No numbers read from the abstract.
10 papers cite it
this papertrialcites it