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Analyses of cadmium and kidney function in lead workers should be adjusted for lead
  1. Tomoyuki Kawada
  1. Correspondence to Dr Tomoyuki Kawada, Department of Hygiene and Public Health, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-Ku, Tokyo 113-8602, Japan; kawada{at}

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Weaver et al1 have published data on the associations between urinary cadmium and four glomerular filtration measures or N-acetyl-β-d-glucosaminidase (NAG) as a biological renal effect. Their target subjects were lead-handling workers and they concluded a paradoxical result that urinary cadmium was significantly associated with lower serum creatinine as well as higher estimated …

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  • Patient consent Obtained.

  • Ethics approval This study was approved by Gunma University.

  • Provenance and peer review Not commissioned; internally peer reviewed.