Kirsch, L E <br/><br/>
Pharmaceutical container/closure integrity. II: The relationship between microbial ingress and helium leak rates in rubber-stoppered glass vials.  [electronic resource] 

 -  PDA journal of pharmaceutical science and technology   
 - 195-202 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1079-7440 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drug Contamination--prevention & control<br/>Drug Packaging--standards<br/>Helium--analysis<br/>Mass Spectrometry