Black horehound (Ballota nigra) References
    
        
        
            
        
            Citoglu GS, Coban T, Sever B, et al. Antioxidant properties of Ballota species growing in Turkey. J Ethnopharmacol 2004;92(2-3):275-280. 
  Daels-Rakotoarison DA, Seidel V, Gressier B, et al. Neurosedative and antioxidant activities of phenylpropanoids... 
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