title: The immunization status of Western Australian two-year-old children.
mesh_terms: D001315:Australia; D002662:Child Health Services; D002675:Child, Preschool; D004165:Diphtheria / Q000276:immunology; D006801:Humans; D007114:Immunization; D008499:Medical Records; D011051:Poliomyelitis / Q000276:immunology; D013742:Tetanus / Q000276:immunology; D014917:Whooping Cough / Q000276:immunology