Kang, M., Kim, J. W., Lee, J. H., Kim, L. H., Park, W., Kang, S. H., Park, Y. S., Kim, J., Oh, H. J., Ahn, S., Suh, Y., Park, D. J., Lee, H. S., Kim, H., Lee, K. (2026). MTHFR polymorphism is associated with increased adverse events and poor clinical outcomes in gastric cancer patients with adjuvant S-1 chemotherapy. Scientific Reports. https://doi.org/10.1038/s41598-026-38429-3