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