Echinacea purpurea along with zinc, selenium and vitamin C to alleviate exacerbations of chronic obstructive pulmonary disease: results from a randomized controlled trial.
Randomized controlled trial · J Clin Pharm Ther · 2011. Source record refreshed; an explanation has not been reviewed.
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Echinacea purpurea along with zinc, selenium and vitamin C to alleviate exacerbations of chronic obstructive pulmonary disease: results from a randomized controlled trial.
Isbaniah F, Wiyono WH, Yunus F et al.
J Clin Pharm Ther · 2011
- PubMed ID
- 21062330
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