From: Toxic metal levels in children residing in a smelting craft village in Vietnam: a pilot biomonitoring study
Child age (years) mean ± SD (range)
2.9 ± 0.8 (1.5-4.2)
Average distance to nearest active Pb smelter (km), ± SD (range)
Females n (%)
11 (55%)
Males n (%)
9 (45%)