Spontaneous regression of oral leukoplakias among Indian villagers in a 5-year follow-up study.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D005500:Follow-Up Studies; D006801:Humans; D007194:India; D007972:Leukoplakia, Oral / Q000453:epidemiology; D008409:Mastication; D008875:Middle Aged; D009061:Mouth Mucosa; D009365:Neoplasm Regression, Spontaneous; D010947:Plants, Toxic; D012424:Rural Population; D012907:Smoking; D014026:Nicotiana