title: SIGNIFICANCE OF HAEMAGGLUTINATION-INHIBITING ANTIBODIES IN THE EVALUATION OF VACCINIAL REACTIONS.
mesh_terms: D000818:Animals; D000906:Antibodies; D015605:Cowpox; D006384:Hemagglutination; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D012900:Smallpox Vaccine; D014611:Vaccination
chemical_list: D000906:Antibodies; D012900:Smallpox Vaccine
keywords: ANTIBODIES; HEMAGGLUTINATION INHIBITION TESTS; SMALLPOX VACCINE; VACCINATION