Hanson, A W Development of immune tolerance in the chick embryo to Borrelia hispanica. [electronic resource] - Journal of bacteriology Nov 1967 - 1359-65 p. digital Publication Type: Journal Article ISSN: 0021-9193 Standard No.: 10.1128/jb.94.5.1359-1365.1967 doi Subjects--Topical Terms: Agglutination TestsAgingAnimalsAntibody FormationBorrelia Infections--immunologyChick Embryo--immunologyImmune ToleranceProteus Infections--immunology