Assertion: polio's infection | /r/CapableOf | produce apnea
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Source sentences:
text: The term derives from the Greek poliós, meaning "grey", myelós, referring to the grey matter of the spinal cord, and the suffix -itis, which denotes inflammation., i.e., inflammation of the spinal cord’s grey matter, although a severe infection can extend into the brainstem and even higher structures, resulting in polioencephalitis, producing apnea that requires mechanical assistance such as an iron lung.