Evaluation of the chick as a test animal in the assay of diphtheria toxoids.
D000818:Animals; D001681:Biological Assay; D002645:Chickens; D004165:Diphtheria / Q000276:immunology*; D004168:Diphtheria Toxoid; D006801:Humans
D004168:Diphtheria Toxoid
DIPHTHERIA/immunology