Betel-quid and areca-nut chewing.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000818:Animals; D001114:Areca; D001208:Asia; D002118:Calcium; D017610:Calcium Compounds; D002392:Catechin; D002648:Child; D002675:Child, Preschool; D000013:Congenital Abnormalities / Q000209:etiology; D006224:Cricetinae; D003412:Cricetulus; D003430:Cross-Sectional Studies; D005260:Female; D014943:Global Health; D006184:Habits; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007971:Leukoplakia / Q000453:epidemiology / Q000209:etiology; D008010:Lichen Planus / Q000453:epidemiology / Q000209:etiology; D008297:Male; D008647:Mesocricetus; D051379:Mice; D008875:Middle Aged; D009059:Mouth Diseases / Q000453:epidemiology / Q000209:etiology; D009062:Mouth Neoplasms / Q000453:epidemiology / Q000209:etiology / Q000473:pathology; D009152:Mutagenicity Tests; D010087:Oxides; D010139:Pacific Islands; D010219:Papua New Guinea; D010936:Plant Extracts / Q000008:administration & dosage / Q000633:toxicity; D010946:Plants, Medicinal; D011230:Precancerous Conditions / Q000209:etiology; D011247:Pregnancy; D011446:Prospective Studies; D051381:Rats; D012878:Skin Neoplasms / Q000209:etiology; D013274:Stomach Neoplasms / Q000209:etiology; D014076:Tooth Diseases / Q000453:epidemiology / Q000209:etiology
D017610:Calcium Compounds; D010087:Oxides; D010936:Plant Extracts; D002392:Catechin; C016538:lime; D002118:Calcium