Description Usage Format Source
Data from a case-control study investigating oral contraceptives as a risk factor for myocardial infarction.
1 |
2 x 2 matrix
case, control
yes, no
Newman (2001), Table 11.2; Shapiro, et al. (1979) Oral-contraceptive use in relation to myocardial infarction. The Lancet April 7, 743-746
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