Refsum, H., & Smith, A. (2006). Homocysteine, B vitamins, and cardiovascular disease.
Cita Chicago (17th ed.)Refsum, H., i A. Smith. Homocysteine, B Vitamins, and Cardiovascular Disease. 2006.
Cita MLA (9th ed.)Refsum, H., i A. Smith. Homocysteine, B Vitamins, and Cardiovascular Disease. 2006.
Atenció: Aquestes cites poden no estar 100% correctes.