Orth, U <br/><br/>
[An electronic digital spirometer (author's transl)].  [electronic resource] 

 -  Praxis der Pneumologie  Jun 1975 
 - 337-9 p.  digital 
<br/><br/> Publication Type: English Abstract; Journal Article 
<br/><br/><label>ISSN: </label>0032-7069 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronics, Medical<br/>Forced Expiratory Flow Rates<br/>Humans<br/>Lung--physiology<br/>Spirometry--instrumentation