Oesophageal changes in oral submucous firbosis. (Preliminary report).
D004947:Esophagus / Q000473:pathology*; D006801:Humans; D009059:Mouth Diseases / Q000473:pathology*; D009061:Mouth Mucosa / Q000473:pathology*; D011230:Precancerous Conditions / Q000473:pathology