Black pepper (Piper nigrum) References
    
        
        
            
        
            Arias Irigoyen J, Talavera Fabuel A, Maranon Lizana F. Occupational rhinoconjunctivitis from white pepper. J Investig Allergol Clin Immunol 2003;13(3):213-215. 
  Chaudhry NM, Tariq P. Bactericidal activity of black pepper, bay leaf, aniseed and... 
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