Poliomyelitis following inoculation; a survey of 29 children.
D035843:Biomedical Research; D003625:Data Collection; D004165:Diphtheria / Q000517:prevention & control*; D011051:Poliomyelitis / Q000209:etiology*; D014611:Vaccination; D014917:Whooping Cough / Q000276:immunology*
DIPHTHERIA/prevention and control; POLIOMYELITIS/etiology and pathogenesis; WHOOPING COUGH/immunology