Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThe problem of the cavity in tympanoplastic surgery.AuthorsPortmann, MichelPublicationLaryngoscope, 1971, Vol 81, Issue 8, p1233ISSN0023-852XPublication typeArticleDOI10.1288/00005537-197108000-00006