Persistence of antibody in children after a third dose of poliomyelitis vaccine and their response to a fourth.
D000906:Antibodies; D007136:Immunoglobulins; D011051:Poliomyelitis / Q000276:immunology*; D014612:Vaccines
D000906:Antibodies; D007136:Immunoglobulins; D014612:Vaccines
POLIOMYELITIS/immunology