[Preventive studies in the laboratory involving lead workers. 3].
D004781:Environmental Exposure; D006801:Humans; D007855:Lead Poisoning / Q000517:prevention & control* / Q000652:urine; D007982:Levulinic Acids / Q000652:urine; D009784:Occupational Diseases / Q000517:prevention & control*; D011166:Porphyrins / Q000652:urine
D007982:Levulinic Acids; D011166:Porphyrins
Zum Thema der Vorbeugungsuntersuchungen im Labor bei Bleiarbeitern. 3.