A newly developed extract (Ze 339) from butterbur (Petasites hybridus L.) is clinically efficient in allergic rhinitis (hay fever)
Meta-analysis / review
Referenced for these plants
How to cite
Brattstrom, A (2003) 'A newly developed extract (Ze 339) from butterbur (Petasites hybridus L.) is clinically efficient in allergic rhinitis (hay fever)', Phytomedicine, 10(Suppl 4), pp. 50-52. doi:10.1078/1433-187x-00304
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