Oral theophylline for chronic obstructive pulmonary disease.
Ram FS, Jones PW, Castro AA, De Brito JA, Atallah AN, Lacasse Y, Mazzini R, Goldstein R, Cendon S.
Ram FS, et al. Among authors: jones pw.
Cochrane Database Syst Rev. 2002;2002(4):CD003902. doi: 10.1002/14651858.CD003902.
Cochrane Database Syst Rev. 2002.
PMID: 12519617
Free PMC article.
Review.