Immunization study of first grade children in North Carolina, 1961-1962.
D004168:Diphtheria Toxoid; D006801:Humans; D007114:Immunization; D009657:North Carolina; D010567:Pertussis Vaccine; D023321:Poliovirus Vaccines; D012572:School Health Services; D012900:Smallpox Vaccine; D013745:Tetanus Toxoid; D014611:Vaccination
D004168:Diphtheria Toxoid; D010567:Pertussis Vaccine; D023321:Poliovirus Vaccines; D012900:Smallpox Vaccine; D013745:Tetanus Toxoid
DIPHTHERIA TOXOID; IMMUNIZATION; PERTUSSIS VACCINE; POLIOVIRUS VACCINE; SCHOOL HEALTH; SMALLPOX VACCINE; TETANUS TOXOID