[Vaccination against poliomyelitis starting at the age of 3 months].
R
R
DEBRE
J
J
CELERS
V
V
DROUHET
D002648:Child; D006801:Humans; D007223:Infant; D011051:Poliomyelitis / Q000276:immunology*; D014611:Vaccination
POLIOMYELITIS/immunology; VACCINATION/in infancy and childhood