Käufeler R. et al "Efficacy and safety of butterbur herbal extract Ze 339 in seasonal allergic rhinitis: postmarketing surveillance study"   Adv Ther. 2006 Mar-Apr;23(2):373-84
Bakhshaee M. et al "Effect of Silymarin in the Treatment of Allergic Rhinitis"   Otolaryngol Head Neck Surg. 2011 Sep 27
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