Jacques, P., Selhub, J., Bostom, A., Wilson, P., & Rosenberg, I. (1999). Effect of Folic Acid Fortification on Plasma Folate and Total Homocysteine Concentrations. The New England journal of medicine, 340(19), 1449-1454. https://doi.org/10.1056/NEJM199905133401901
Chicago Style (17th ed.) CitationJacques, P.F, J. Selhub, A.G Bostom, P.W.F Wilson, and I.H Rosenberg. "Effect of Folic Acid Fortification on Plasma Folate and Total Homocysteine Concentrations." The New England Journal of Medicine 340, no. 19 (1999): 1449-1454. https://doi.org/10.1056/NEJM199905133401901.
MLA (9th ed.) CitationJacques, P.F, et al. "Effect of Folic Acid Fortification on Plasma Folate and Total Homocysteine Concentrations." The New England Journal of Medicine, vol. 340, no. 19, 1999, pp. 1449-1454, https://doi.org/10.1056/NEJM199905133401901.