Influence of N-acetylcysteine on chronic bronchitis or COPD exacerbations: a meta-analysis.
Eur Respir Rev. 2015 Sep;24(137):451-61. doi: 10.1183/16000617.00002215.
Eur Respir Rev. 2015.
PMID: 26324807
Free PMC article.
Review.