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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: J Trace Elem Med Biol. 2014 May 23;0:123–129. doi: 10.1016/j.jtemb.2014.05.004

Table 3.

MnU measurements below the LOD

# below LOD p*
AM 11 (35.5%) 0.23
PM 7 (21.9%)
Start Week 8 (26.7%) 0.75
End Week 10 (30.3%)
Start quarter 6 (18.2%) 0.06
End quarter 12 (40.0%)
*

Pearson's chi-squared