title: Three cases of poliomyelitis in children with polio virus type I in the cerebrospinal fluid.
mesh_terms: D002555:Cerebrospinal Fluid / Q000382:microbiology*; D002648:Child; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D011051:Poliomyelitis / Q000382:microbiology*; D017955:Poliovirus / Q000302:isolation & purification*