[Pathological changes in the periodontium of metallurgists exposed to zinc and lead].
D006801:Humans; D007854:Lead / Q000009:adverse effects*; D008669:Metallurgy; D009784:Occupational Diseases / Q000139:chemically induced*; D010510:Periodontal Diseases / Q000139:chemically induced*; D010512:Periodontal Index; D011044:Poland; D015032:Zinc / Q000009:adverse effects
D007854:Lead; D015032:Zinc
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