Tests of purity of diphtheria toxins by electrophoresis in starch gel.
D004165:Diphtheria; D004167:Diphtheria Toxin; D004586:Electrophoresis; D006801:Humans; D013213:Starch
D004167:Diphtheria Toxin; D013213:Starch
DIPHTHERIA; STARCH