BMJ 1996; 313 doi: (Published 27 July 1996) Cite this as: BMJ 1996;313:198

Hormone replacement therapy and tumour grade in breast cancer: prospective study in screening unit

An editorial error occurred in this short report by Harding et al (29 June, pp 1646-7). The second half of the first sentence in the third paragraph of the discussion should be disregarded; the table gives the correct information.

Costs and cost effectiveness of cardiovascular screening and intervention: the British family heart study

A production error occurred in this article by Wonderling et al (18 May, pp 1269-73). In table 2, figures in the line showing follow up for overall risk in all appointments were moved one column to the left. The figures for attenders as a proportion of all individuals screened should read: Men 1.35, Women 10.4, All 1.22, and the mean cost per person screened is £11.84.

Lifetime exposure to environmental lead and children's intelligence at 11-13 years: the Port Pirie cohort study

An editorial error occurred in this paper by Tong et al (22 June, pp 1569-75). In table 4 and figure 2, the units for blood lead concentration are incorrectly given as mmol/l; they should be μmol/l, as in the text.

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