SETTERLIND, A N <br/><br/>
Aspirating device for NBS CO indicating tubes.  [electronic resource] 

 -  Industrial hygiene newsletter  Feb 1948 
 - 7 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aspirations, Psychological<br/>Equipment and Supplies<br/>Humans<br/>Suction--instrumentation