We apologise for the following errors.

In the paper “Low level cadmium exposure and kidney damage—the OSCAR study” (Järup et al) published in 2000 (Occup Environ Med 2000;57:668–72) the following errors were made:

1. In the second paragraph, page 670, and at the fourth row, page 671, the text reads “1.6 nmol/mmol creatinine”. It should read “1.0 nmol/mmol creatinine” at both places.

2. In Table 1, “n” for age for the women should be 542 and not 544.

In the paper “Upper airway inflammation and respiratory symptoms in domestic waste collectors” (Wouters et al) published in February 2002 (Occup Environ Med 2002;59:106–12), the following errors were made:

1. On page 108, right hand column, lines 5–7, part of the sentence was omitted. it should have read: “Estimated within and between subjects variance components of exposure concentrations were 0.51 and 0.34 for dust, 1.08 and 0.22 for endotoxin, and 1.49 and 0.14 for glucan.”

2. Table 2 heading: “from microbial agents” should have been omitted.