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Scinicariello et al. have reported two text errors in their article “Modification by ALAD of the Association between Blood Lead and Blood Pressure in the U.S. Population: Results from the Third National Health and Nutrition Examination Survey” [ Environ Health Perspect 118:259–264 (2010)].
First, in the third paragraph of their article (p. 259), the sentence summarizing results of a study of Korean lead smelter workers should have been as follows:
A study conducted among Korean lead smelter workers (n = 798; mean BLL = 32.0 μg/dL) found that the ALAD polymorphism did not change the association between blood lead and hypertension at occupational exposure levels compared with ALAD1 homozygous carriers (Lee et al. 2001).
Second, the sentence in the third paragraph of the “Discussion” (p. 262) was incorrect. The corrected sentence is as follows:
Two previous studies on ALAD, BLL, and BP—one conducted among occupationally exposed workers (Lee et al. 2001) and the other conducted at lower lead exposure level (Smith et al. 1995)—found no association of ALAD polymorphism and BP outcomes.
The authors apologize for the errors.