Table 4.
Effect of folic acid therapy on first ischemic stroke by vitamin B12 (median <280.2 vs ≥280.2 pmol/L) and folate (median <8.1 vs ≥8.1 ng/mL) subgroups, and methylenetetrahydrofolate reductase (MTHFR) C677T genotypes, in the total population
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