James E. Ellis <br/><br/>
The Window is closing on vaccine makers. 

 -  Bloomberg Businessweek.  December 2020. 
 - Iss. No. 4681 : pg 20-22. 
<br/><br/><label>ISSN: </label>0007-7135 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COVID-19 (Disease)--Vaccination.
<br/><br/><label>LC Class. No.: </label>PER HB F569 2020