APA (7th ed.) Citation

Koenig, K. L., Scarmo, S., Afanasyeva, Y., Clendenen, T. V., Ueland, P. M., & Zeleniuch-Jacquotte, A. (2020). Circulating unmetabolized folic acid and 5-methyltetrahydrofolate and risk of breast cancer: A nested case-control study. European journal of clinical nutrition, 74(9), 1306-1315. https://doi.org/10.1038/s41430-020-0615-6

Chicago Style (17th ed.) Citation

Koenig, Karen L., Stephanie Scarmo, Yelena Afanasyeva, Tess V. Clendenen, Per Magne Ueland, and Anne Zeleniuch-Jacquotte. "Circulating Unmetabolized Folic Acid and 5-methyltetrahydrofolate and Risk of Breast Cancer: A Nested Case-control Study." European Journal of Clinical Nutrition 74, no. 9 (2020): 1306-1315. https://doi.org/10.1038/s41430-020-0615-6.

MLA (9th ed.) Citation

Koenig, Karen L., et al. "Circulating Unmetabolized Folic Acid and 5-methyltetrahydrofolate and Risk of Breast Cancer: A Nested Case-control Study." European Journal of Clinical Nutrition, vol. 74, no. 9, 2020, pp. 1306-1315, https://doi.org/10.1038/s41430-020-0615-6.