Antibody response to oral polio vaccine in premature infants.
D000914:Antibodies, Viral / Q000032:analysis*; D000917:Antibody Formation; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature; D011051:Poliomyelitis / Q000517:prevention & control; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage / Q000276:immunology*
D000914:Antibodies, Viral; D011055:Poliovirus Vaccine, Oral