Ueda, K The chick embryo neutralization test in the assay of meningococcal antibody. 2. Response of the embryo to meningococcal endotoxin and to infection. [electronic resource] - Bulletin of the World Health Organization 1969 - 241-4 p. digital Publication Type: Journal Article ISSN: 0042-9686 Subjects--Topical Terms: AnimalsAntibodies--analysisChick Embryo--drug effectsEndotoxins--pharmacologyImmunoassayMeningococcal Infections--immunologyMethodsNeutralization Tests