SMITHSONIAN Institution; annual report for 1948-49.  [electronic resource] 

 -  Nature  Apr 1950 
 - 641 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0028-0836 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Academies and Institutes<br/>Health Facilities<br/>Humans<br/>United States