Caffeine for asthma.
Welsh EJ, Bara A, Barley E, Cates CJ.
Welsh EJ, et al. Among authors: cates cj.
Cochrane Database Syst Rev. 2010 Jan 20;2010(1):CD001112. doi: 10.1002/14651858.CD001112.pub2.
Cochrane Database Syst Rev. 2010.
PMID: 20091514
Free PMC article.
Review.