Das, P R <br/><br/>
Ionization of penem beta-lactam antibiotics using thermospray (filament-on) mass spectrometry.  [electronic resource] 

 -  The Journal of antibiotics  Sep 1988 
 - 1268-71 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0021-8820 
<br/><br/><label>Standard No.: </label>10.7164/antibiotics.41.1268  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ammonium Chloride<br/>Anti-Bacterial Agents--analysis<br/>Mass Spectrometry--methods<br/>beta-Lactams