Neurophysiological effects of lead exposure.

Abstract
A series of neurophysiological variables was measured for men occupationally exposed to Pb. The results were related to the degree of Pb exposure and to the concentrations of Pb and Zn protoporphyrin in blood. A small but significant correlation was observed between Pb exposure and motor and sensory conduction velocities in the lower limbs, the conduction velocities of slow motor fibers in the upper limbs and sensory nerve action potentials. A neurophysiological examination should be considered in the surveillance of the health of Pb workers.

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