1.
Pediatriia
; 50(1): 21-4, 1971 Jan.
Article
in Russian
| MEDLINE
| ID: mdl-5573522
Subject(s)
Influenza Vaccines , Influenza, Human/prevention & control , Child , Child, Preschool , Humans , Vaccination
2.
Zh Mikrobiol Epidemiol Immunobiol
; 47(10): 24-8, 1970 Oct.
Article
in Russian
| MEDLINE
| ID: mdl-4251598