1.
J Trop Pediatr Environ Child Health
; 20(3): 135-40, 1974 Jun.
Article
in English
| MEDLINE
| ID: mdl-4497571
Subject(s)
Immunity , Vaccination , Vaccines/administration & dosage , Antibodies, Viral/analysis , Antigens/administration & dosage , BCG Vaccine/standards , Child, Preschool , Diphtheria Toxoid/administration & dosage , El Salvador , Epidemiologic Methods , Hemagglutination Inhibition Tests , Humans , Infant , Measles/immunology , Measles Vaccine/administration & dosage , Pertussis Vaccine/administration & dosage , Poliovirus Vaccine, Oral/administration & dosage , Tetanus Toxoid/administration & dosage
2.
Am J Trop Med Hyg
; 20(6): 934-40, 1971 Nov.
Article
in English
| MEDLINE
| ID: mdl-4943478