[Poliomyelitis-risk-groups in a large town in the Ruhr area (author's transl)].
D000367:Age Factors; D000914:Antibodies, Viral / Q000032:analysis; D002675:Child, Preschool; D005006:Ethnicity; D005860:Germany, West; D006801:Humans; D007223:Infant; D009500:Neutralization Tests; D011051:Poliomyelitis / Q000276:immunology*; D012494:Sampling Studies; D012931:Social Environment; D013045:Species Specificity; D014171:Transients and Migrants; D014421:Turkey; D014505:Urban Population
D000914:Antibodies, Viral
Poliomyelitis-Risikogruppen in einer Grobbstadt des Ruhrgebiets.