Graybar, G S <br/><br/>
"The most advanced respiratory life support system available".  [electronic resource] 

 -  Chest  Jan 1979 
 - 106-7 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0012-3692 
<br/><br/><label>Standard No.: </label>10.1378/chest.75.1.106  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Advertising<br/>Humans<br/>Ventilators, Mechanical