Smith, R M Custom retainer for the Blom-Singer adjustable tracheostoma valve. [electronic resource] - The Journal of prosthetic dentistry Sep 2000 - 341-4 p. digital Publication Type: Journal Article ISSN: 0022-3913 Standard No.: 10.1067/mpr.2000.109128 doi Subjects--Topical Terms: Biocompatible MaterialsDental Impression MaterialsDimethylpolysiloxanesEquipment DesignHumansSilicone ElastomersSpeech, Alaryngeal--instrumentationTracheostomy--instrumentation