Vaccination against poliomyelitis; its present and future status.
D035843:Biomedical Research; D001728:Dicumarol / Q000009:adverse effects*; D006801:Humans; D011051:Poliomyelitis / Q000517:prevention & control*; D014611:Vaccination
D001728:Dicumarol
BISHYDROXYCOUMARIN/injurious effects; POLIOMYELITIS/prevention and control