POLIOVIRUS ANTIBODIES IN BRITISH COLUMBIA SCHOOL CHILDREN, 1961.
D000293:Adolescent; D000906:Antibodies; D000914:Antibodies, Viral; D001955:British Columbia; D002170:Canada; D002648:Child; D006801:Humans; D017955:Poliovirus; D023321:Poliovirus Vaccines; D013223:Statistics as Topic; D014611:Vaccination
D000906:Antibodies; D000914:Antibodies, Viral; D023321:Poliovirus Vaccines
ADOLESCENCE; ANTIBODIES; CANADA; CHILD; POLIOVIRUS VACCINE; STATISTICS; VACCINATION