Spit test may reveal severity of a child’s concussion Spit test may reveal severity of a child’s concussion
A test that measures fragments of genetic material in saliva was nearly 90 percent accurate in identifying children and adolescents whose symptoms persisted for... Spit test may reveal severity of a child’s concussion

A test that measures fragments of genetic material in saliva was nearly 90 percent accurate in identifying children and adolescents whose symptoms persisted for at least a month, a Penn State team says.


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