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Acute lead encephalopathy in a 5-year-old boy and asymptomatic lead poisoning in a 7- year-old boy were developed after taking about 2 to 3 grams of the herb pills named Hwa. ngdan (Red Lead) a day for 2 months. Whole blood lead level was 135microgram/100ml in acute lead encephalopathy and 42 microgram/100ml in asymptomatic lead poisoning. |