TY - GEN AU - Pemberton,M N TI - Betel quid chewing SN - 0007-0610 PY - 2002///0225 KW - Areca KW - adverse effects KW - Carcinoma, Hepatocellular KW - etiology KW - Humans KW - Liver Neoplasms KW - Mouth Neoplasms KW - Oral Submucous Fibrosis N1 - Publication Type: Comment; Letter ER -