considering the presented facts concerning ( a ) the acute effects on repeated occasions , ( b ) the high rates of symptoms indicative of neurasthenia and psychasthenia and symptoms and signs indicative of polyneuropathy , and ( c ) the differences in the observations made between the two groups with varying degrees of exposure to jet fuel , the authors interpreted the results as indicative of a possible effect of long-term exposure to jet fuel on the nervous system .
C0152025
polyneuropathy
C0027763
nervous system