53.

Stankovic M, Petrovic LJ, Poleti D (Inst. Public Health, Belgrade, Serbia). A contribution to the laboratory diagnostics of early saturnism. Arhiv za Higijenu Rada 1 Toksikologiju. 1962; 13:189-194. (2480) [The dicalcium salt of Ca2EDTA (3 doses of 1 g each in the course of 1 day) was administered orally to 8 healthy persons, 29 printers without clinical manifestations of Pb poisoning and 18 Pb smelters with distinct symptoms of Pb poisoning. Average urinary Pb excretion (mg/24 hr) in these 3 groups was 0.117 ± 0,043, 0.236 ± 0.101, and 2.476 ± 1.233, respectively. The conclusion is drawn that, in a diagnostic test, subjects with urinary Pb excretion exceeding 0.340 mg/24 hr (after oral treatment with 3 g Ca2EDTA) may be suspected of Pb poisoning. The test was given also to a group of 8 workers who, after removal from Pb exposure for about 5 yr, were considered as medically rehabilitated and fit to return to their jobs. In this group, urinary Pb excretion, at 24 hr after the first dose of Ca2EDTA, ranged from 0.336-0.843 (av 0.482) mg/24 hr, which indicted that the workers were not ready to return to their previous jobs.

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