International standardization of diphtheria toxoids.
D001681:Biological Assay; D004165:Diphtheria; D004168:Diphtheria Toxoid; D006801:Humans; D012015:Reference Standards; D014611:Vaccination; D014612:Vaccines
D004168:Diphtheria Toxoid; D014612:Vaccines
DIPHTHERIA; VACCINES AND VACCINATION