title: Collagenolytic activity in middle ear cholesteatoma.
mesh_terms: D001862:Bone Resorption; D002781:Cholesteatoma / Q000473:pathology*; D003095:Collagen Diseases / Q000473:pathology*; D004432:Ear, Middle / Q000473:pathology*; D006801:Humans; D003012:Microbial Collagenase / Q000302:isolation & purification; D013701:Temporal Bone / Q000473:pathology
chemical_list: D003012:Microbial Collagenase