van Kalkeren, T A <br/><br/>
In vivo test of a new hands-free tracheostoma inhalation valve, a randomised crossover study.  [electronic resource] 

 -  Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery  Oct 2013 
 - 420-4 p.  digital 
<br/><br/> Publication Type: Journal Article; Randomized Controlled Trial 
<br/><br/><label>ISSN: </label>1749-4486 
<br/><br/><label>Standard No.: </label>10.1111/coa.12168  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Aged, 80 and over<br/>Cross-Over Studies<br/>Equipment Design<br/>Female<br/>Humans<br/>Inhalation--physiology<br/>Laryngectomy--adverse effects<br/>Larynx, Artificial<br/>Male<br/>Middle Aged<br/>Patient Satisfaction<br/>Phonation--physiology<br/>Tracheostomy<br/>Treatment Outcome<br/>Voice Disorders--etiology<br/>Voice Quality--physiology