TJ, G., LA, H., U, D., RS, G., & DL, O. (1998). Oral contraceptives did not affect biochemical folate indexes and homocysteine concentrations in adolescent females. Journal of the American Dietetic Association, 98(1), 49. https://doi.org/10.1016/s0002-8223(98)00014-5
Chicago Style (17th ed.) CitationTJ, Green, Houghton LA, Donovan U, Gibson RS, and O'Connor DL. "Oral Contraceptives Did Not Affect Biochemical Folate Indexes and Homocysteine Concentrations in Adolescent Females." Journal of the American Dietetic Association 98, no. 1 (1998): 49. https://doi.org/10.1016/s0002-8223(98)00014-5.
MLA (9th ed.) CitationTJ, Green, et al. "Oral Contraceptives Did Not Affect Biochemical Folate Indexes and Homocysteine Concentrations in Adolescent Females." Journal of the American Dietetic Association, vol. 98, no. 1, 1998, p. 49, https://doi.org/10.1016/s0002-8223(98)00014-5.