On the antigenicity of diphtheria toxoid. II. Preliminary report on the immunizing potency of diphtheria toxoid fractions isolated at lower ammonium sulfate concentration.
D064751:Ammonium Compounds; D000645:Ammonium Sulfate; D004165:Diphtheria; D004168:Diphtheria Toxoid; D007114:Immunization; D000644:Quaternary Ammonium Compounds; D014611:Vaccination
D064751:Ammonium Compounds; D004168:Diphtheria Toxoid; D000644:Quaternary Ammonium Compounds; D000645:Ammonium Sulfate
AMMONIUM COMPOUNDS; DIPHTHERIA