|  | Simulated causal risk factor |  |  | |||
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Homocysteine concentration | Pyrimidine synthesis (TS) | Purine synthesis (AICART) | DNA methylation (DNMT) | ||||
G, E | G, E, G × E, G × G | G, E | G, E, G × E, G × G | G, E | G, E, G × E, G × G | G, E | G, E, G × E, G × G |
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