Rodriguez-Molina, R <br/><br/>
[Health protection in a shrinking world].  [electronic resource] 

 -  Boletin de la Asociacion Medica de Puerto Rico  Jul 1969 
 - 273-4 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0004-4849 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Preventive Medicine<br/>United States<br/>United States Public Health Service