Effectiveness of antitussives, anticholinergics or honey versus usual care in adults with uncomplicated acute bronchitis: a study protocol of an open randomised clinical trial in primary care.
BMJ Open. 2019 May 16;9(5):e028159. doi: 10.1136/bmjopen-2018-028159.
BMJ Open. 2019.
PMID: 31101700
Free PMC article.
Clinical Trial.