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Population, Exposure, Comparator and Outcome (PECO) statement
| PECO element | Evidence |
|---|---|
|
| |
| Population | Human populations or rodent models. |
| Exposure | Pb exposure without any restrictions of the definition, measurement methods, length, or timing. Co-exposure studies that examined individual susceptibilities were only included if Pb effects could be extrapolated. |
| Comparators | Comparison group with lower exposure or no exposure. |
| Outcome | Dysfunction for any health outcome. |
