Increased efficiency of diphtheria toxoid when combined with pertussis vaccine; a preliminary note.
GREENBERG
L
L
FLEMING
D S
DS
D004165:Diphtheria; D004168:Diphtheria Toxoid; D006801:Humans; D010567:Pertussis Vaccine
D004168:Diphtheria Toxoid; D010567:Pertussis Vaccine
DIPHTHERIA/toxoid