Inconsistencies in major areas Extrapolations from in the Hu/Cheng bone lead studies purport a 1.5-1.7 x increase in hypertension over a range of bone leads found in the Normative Aging Study There were no correlations between blood lead levels and PB variables in either study Hu's cross-sectional study showed correlation with tibia but not patella lead levels; Cheng's longitudinal study found patella, not tibia lead to reach levels of significance
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