SERPA-FLOREZ, F <br/><br/>
MASS IMMUNIZATION OF CHILDREN WITH ORAL, TRIVALENT POLIOVIRUS VACCINE (LEDERLE STRAINS).  [electronic resource] 

 -  Pediatrics  Jun 1964 
 - 878-86 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0031-4005 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Antibody Formation<br/>Child<br/>Colombia<br/>Humans<br/>Infant<br/>Mass Vaccination<br/>Poliomyelitis<br/>Poliovirus Vaccine, Oral<br/>Sprains and Strains<br/>Vaccination