Poland, Gregory A <br/><br/>
A time of ignorance, a time of pathos, a time of change. Preface.  [electronic resource] 

 -  South Dakota medicine : the journal of the South Dakota State Medical Association  2013 
 - 7-8 p.  digital 
<br/><br/> Publication Type: Introductory Journal Article 
<br/><br/><label>ISSN: </label>0038-3317 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Infection Control--trends<br/>Infections--epidemiology<br/>United States--epidemiology<br/>Vaccination--trends<br/>Vaccines--pharmacology