[2 CASES OF PRECANCEROUS STATES OF THE MIDDLE EAR].
D004432:Ear, Middle; D006801:Humans; D006965:Hyperplasia; D008416:Mastoid; D010212:Papilloma
EAR, MIDDLE; HYPERPLASIA; MASTOID; PAPILLOMA
DWA PRZYPADKI STAN'OW PRZEDRAKOWYCH UCHA 'SRODKOWEGO.