de Ramón y Casado, A M <br/><br/>
[Current status of the antipneumococcal vaccine: a pending issue].  [electronic resource] 

 -  Revista clinica espanola  Jun 1991 
 - 82-5 p.  digital 
<br/><br/> Publication Type: English Abstract; Journal Article; Review 
<br/><br/><label>ISSN: </label>0014-2565 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bacterial Vaccines<br/>Humans<br/>Streptococcus pneumoniae--immunology