two hundred forty-nine infants were immunized after being randomly allocated to the classical tetracoq vaccine or to inactivated poliomyelitis vaccines prepared on monkey kidney cells or on vero-type continuous cell lines either mixed with dpt or placed in a 2-compartment syringe separating ( by-pass ) the polio vaccine from the dpt .
C0718003
inactivated poliomyelitis vaccines
C0032371
polio