Is anyone aware of any published data on the repeatability, or within- and between-person components of variation, for blood lead? Particularly within the 'normal' population - not just people who have had a high result and been called back for a second test (although that could be useful too, but subject to some nasty statistical issues if only people with high results first time are resampled).
I have checked the more obvious sources, Pubmed and the list on the Westgard website, with little result.
Thanks in advance
John
John Whitfield
Clinical Biochemistry
Royal Prince Alfred Hospital, Sydney.
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