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28 Jun 2022, 7:13 am by admin
For example, he raises and explains the problem encountered for causal inference by small relative risks: “Small relative risks of the order of 2:1 or even less are what are likely to be observed, like the risk now recorded for childhood leukemia and exposure to magnetic fields of 0.4 µT or more (Ahlbom et al. 2000) that are seldom encountered in the United Kingdom. [read post]