Oral contraceptives and myocardial infarction: results of the MICA case-control study

An editorial error occurred in this paper by Nicholas Dunn and colleagues (12 June, pp 1579-84). The first sentence of the results under the heading incidence rate should have read: “On the basis of 1224 cases identified from source data (see figure), the incidence rate of myocardial infarction was 0.05 per 1000 women years [not 0.5 per 1000 women years, as published].”