[Contribution to the study on allergy among workers exposed to lead oxide and lead sulfide].
D006801:Humans; D006967:Hypersensitivity / Q000209:etiology*; D007854:Lead; D007855:Lead Poisoning / Q000706:statistics & numerical data*; D010087:Oxides; D013440:Sulfides
D010087:Oxides; D013440:Sulfides; C018391:lead sulfide; D007854:Lead; C047365:lead oxide
ALLERGY/etiology; LEAD POISONING/statistics