Assertion: lead's effect | /r/AtLocation | lower blls
Facets:
value: in some cases
type: TEMPORAL
Source sentences:
text: Subclinical neurological effects may occur at lower BLLs - at or below the regulatory standard of 10 µg/dL, in some cases - and it may not be possible to detect them on clinical examination at the time of the exposure or peak BLLs.