What we really lack here is a consensus reality.
D004168:Diphtheria Toxoid; D015721:Diphtheria-Tetanus-Pertussis Vaccine; D004338:Drug Combinations; D008318:Malpractice / Q000331:legislation & jurisprudence*; D010567:Pertussis Vaccine; D013745:Tetanus Toxoid; D014481:United States
D004168:Diphtheria Toxoid; D015721:Diphtheria-Tetanus-Pertussis Vaccine; D004338:Drug Combinations; D010567:Pertussis Vaccine; D013745:Tetanus Toxoid