[Preliminary study on the use of ELISA (microtechnic) in detecting antibodies to diphtheria toxin as compared with Schick test].
D002648:Child; D002675:Child, Preschool; D004166:Diphtheria Antitoxin / Q000032:analysis*; D004797:Enzyme-Linked Immunosorbent Assay; D006801:Humans
D004166:Diphtheria Antitoxin