Combined immunization against diphtheria, tetanus, and pertussis in children over three months of age; including an evaluation of the effectiveness of two immunizing agents.
D002648:Child; D004165:Diphtheria; D006801:Humans; D007109:Immunity; D007114:Immunization; D013742:Tetanus; D014611:Vaccination; D014917:Whooping Cough
DIPHTHERIA/immunity; TETANUS/immunity