title: MASS IMMUNIZATION OF CHILDREN WITH ORAL, TRIVALENT POLIOVIRUS VACCINE (LEDERLE STRAINS).
mesh_terms: D000917:Antibody Formation; D002648:Child; D003105:Colombia; D006801:Humans; D007223:Infant; D032541:Mass Vaccination; D011051:Poliomyelitis; D011055:Poliovirus Vaccine, Oral; D013180:Sprains and Strains; D014611:Vaccination
chemical_list: D011055:Poliovirus Vaccine, Oral
keywords: ANTIBODY FORMATION; CHILD; COLOMBIA; INFANT; POLIOMYELITIS; POLIOVIRUS VACCINE, ORAL; VACCINATION