title: Wild poliovirus isolation in the Americas, 1988. Pan American Health Organization.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005243:Feces / Q000382:microbiology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D011051:Poliomyelitis / Q000382:microbiology*; D017955:Poliovirus / Q000302:isolation & purification*; D013020:South America; D013997:Time Factors; D014900:West Indies