Chemical and immunological properties of diphtheria toxoid purified by ammonium sulfate fractionation.
LEVINE
L
L
WYMAN
L
L
EDSALL
G
G
D000645:Ammonium Sulfate; D004165:Diphtheria; D004168:Diphtheria Toxoid
D004168:Diphtheria Toxoid; D000645:Ammonium Sulfate