Longitudinal studies of lead levels in a US population.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000704:Analysis of Variance; D002617:Chemical Industry; D004781:Environmental Exposure; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007854:Lead / Q000032:analysis* / Q000097:blood / Q000652:urine; D008297:Male; D008875:Middle Aged; D009787:Occupational Medicine; D011786:Quality Control; D012044:Regression Analysis; D012621:Seasons; D014481:United States
D007854:Lead