Case 4. 1.
D001706:Biopsy; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D009059:Mouth Diseases / Q000175:diagnosis*; D010159:Palate / Q000473:pathology*; D014456:Ulcer / Q000175:diagnosis*