APA

Selhub J., Morris M. S. & Jacques P. F. (20080111). In vitamin B12 deficiency, higher serum folate is associated with increased total homocysteine and methylmalonic acid concentrations. : Proceedings of the National Academy of Sciences of the United States of America.

Chicago

Selhub Jacob, Morris Martha Savaria and Jacques Paul F. 20080111. In vitamin B12 deficiency, higher serum folate is associated with increased total homocysteine and methylmalonic acid concentrations. : Proceedings of the National Academy of Sciences of the United States of America.

Harvard

Selhub J., Morris M. S. and Jacques P. F. (20080111). In vitamin B12 deficiency, higher serum folate is associated with increased total homocysteine and methylmalonic acid concentrations. : Proceedings of the National Academy of Sciences of the United States of America.

MLA

Selhub Jacob, Morris Martha Savaria and Jacques Paul F. In vitamin B12 deficiency, higher serum folate is associated with increased total homocysteine and methylmalonic acid concentrations. : Proceedings of the National Academy of Sciences of the United States of America. 20080111.