"Ear, Middle pathology Congresses." . . "International Symposium on Cholesteatoma (1 : 1976 : Iowa)" . . . "Oreille moyenne Congrès comme sujet." . . . . "Doencas ocupacionais." . . "Conference papers and proceedings" . . . . "Conference papers and proceedings"@en . . . . . . . "Cholesteatoma, first international conference : an interdisciplinary consideration of the etiology, basic mechanisms, pathophysiology, and management of aural cholesteatoma" . . . . . . "Cholesteatoma, first international conference an interdisciplinary consideration of the etiology, basic mechanisms, pathophysiology, and management of aural cholesteatoma"@en . . "Cholesteatoma : first International Conference : an interdisciplinary consideration of the etiology, basic mechanisms, pathophysiology, and management of aural cholesteatoma" . . . "Cholesteatoma : 1. international conference [held in Iowa City, Iowa ca 1975]" . . "Cholesteatoma : first international conference : aninterdisciplina ry consideration of the etiology, basic mechanisms, pathophysiology, a nd management of aural cholesteatoma" . . . . . . "Colesteatoma Congressos." . . "Cholestéatome Congrès comme sujet." . . "Ear, Middle physiopathology Congresses." . . "Cholesteatoma Congresses." . .