[Considerations on the advisability of beginning the first immunization against diphtheria, tetanus, whooping cough and poliomyelitis in infants at the age of 3 months].
D002648:Child; D004165:Diphtheria / Q000517:prevention & control*; D006801:Humans; D007114:Immunization; D007223:Infant; D011051:Poliomyelitis / Q000517:prevention & control*; D013742:Tetanus / Q000517:prevention & control*; D013745:Tetanus Toxoid; D014611:Vaccination; D014917:Whooping Cough / Q000517:prevention & control*
D013745:Tetanus Toxoid
DIPHTHERIA/prevention and control; POLIOMYELITIS/prevention and control; TETANUS/prevention and control; VACCINATION/in infancy and childhood; WHOOPING COUGH/prevention and control