Resolution: standard / high
Figure 6.
DAG where, like in Figure 2, the effect of birth weight (BW) on blood pressure (BP) is confounded by current weight (CW) which itself has an unmeasured common cause (U) with BP.
Arah Emerging Themes in Epidemiology 2008 5:5 doi:10.1186/1742-7622-5-5
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