title: Problems in preparation, testing and use of diphtheria, pertussis and tetanus vaccines.
mesh_terms: D004165:Diphtheria / Q000517:prevention & control; D004168:Diphtheria Toxoid / Q000627:therapeutic use*; D006801:Humans; D010567:Pertussis Vaccine / Q000627:therapeutic use*; D013742:Tetanus / Q000517:prevention & control; D013745:Tetanus Toxoid / Q000627:therapeutic use*; D014917:Whooping Cough / Q000517:prevention & control
chemical_list: D004168:Diphtheria Toxoid; D010567:Pertussis Vaccine; D013745:Tetanus Toxoid