Betel nut (Areca catechu L.) References
    
        
        
            
        
            Chitra S, Ashok L, Anand L, et al. Risk factors for esophageal cancer in Coimbatore, southern India: a hospital-based case-control study. Indian J Gastroenterol 2004;23(1):19-21. 
  Deng JF, Ger J, Tsai WJ, et al. Acute toxicities of betel nut:... 
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