They're all products of targeted surveillance, traditional surveillance, the kind of boots on the ground, investigate and learn, done by real investigators interviewing real people and following specifically justified leads that occurred as a process of investigation.
Although BLLs reflect mainly the exposure to lead that occurred in the previous few months, and may not reflect the burden of lead in bones (Needleman et al. 1996), BLL is the most commonly available measure.
Our investigations revealed a mass lead intoxication that occurred through inhalation and ingestion of soil and dust heavily contaminated with lead as a result of informal and unsafe ULAB recycling.
The lead testing that occurred early that summer compelled a close-knit group of Flint residents to organize and make as much noise as possible.
An editorial accompanying the Circulation article points out some of its limitations, including the fact that participants' mortality could have resulted in part from higher lead exposures that occurred prior to the study period.
This peculiar trio apparently had a defect that made it unstable and led to the crisis that occurred in Pringles.
In March 22 , 1975 negligence of CCF led to a fire that occurred in a nuclear power plant located in the state of Alabama, USA (Mortazavi et al. 2016).
Some women in this study had lived with fistula for many years and may not have accurately remembered the events that led to a birth that occurred many years ago.
A scanning electron microscope investigation of the structure of the reduced Pb/PbSO4 electrode revealed that lignin prevented the extensive growth of dendritic lead single crystals that occurred in its absence.
Owing to underreporting, the MAUDE database does not contain all major adverse events involving lead extraction devices that occurred during the period of the study.
