Tetanus and the aged.
D000368:Aged; D004168:Diphtheria Toxoid / Q000008:administration & dosage; D004338:Drug Combinations; D006801:Humans; D007115:Immunization Schedule; D013742:Tetanus / Q000517:prevention & control*; D013745:Tetanus Toxoid / Q000008:administration & dosage
D004168:Diphtheria Toxoid; D004338:Drug Combinations; D013745:Tetanus Toxoid