Gutka or areca nut chewer's syndrome.
Chaturvedi
P
P
D001114:Areca; D005260:Female; D006801:Humans; D008297:Male; D008409:Mastication; D009059:Mouth Diseases / Q000139:chemically induced* / Q000209:etiology / Q000473:pathology; D019966:Substance-Related Disorders / Q000150:complications* / Q000473:pathology; D013577:Syndrome; D014029:Tobacco Use Disorder / Q000150:complications / Q000473:pathology; D014030:Tobacco, Smokeless / Q000009:adverse effects