Compared with the lowest tertile of urinary Tl concentrations, a significant trend was found between LBW risk and increasing levels of Tl in the unadjusted analysis (OR = 1.19; 95% CI: 0.79, 1.78 for the medium tertile and OR = 1.52; 95% CI: 1.00, 2.30 for the highest tertile) ( p trend = 0.06).
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A Case-Control Study of Prenatal Thallium Exposure and Low Birth Weight in China.
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