Grolman, W <br/><br/>
Airflow and pressure characteristics of three different tracheostoma valves.  [electronic resource] 

 -  The Annals of otology, rhinology, and laryngology  Apr 1998 
 - 312-8 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article 
<br/><br/><label>ISSN: </label>0003-4894 
<br/><br/><label>Standard No.: </label>10.1177/000348949810700409  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air<br/>Humans<br/>Pressure<br/>Prosthesis Design<br/>Speech, Alaryngeal--instrumentation<br/>Tracheostomy