An investigation of lead workers for subclinical effects of lead using three performance tests.
D000328:Adult; D005425:Flicker Fusion; D006225:Hand / Q000503:physiopathology; D006801:Humans; D007855:Lead Poisoning / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D009461:Neurologic Manifestations; D009784:Occupational Diseases / Q000175:diagnosis*; D011930:Reaction Time / Q000187:drug effects