Carolyn Tam, Deborah O'Connor, Gideon Koren 2012, 'Circulating Unmetabolized Folic Acid: Relationship to Folate Status and Effect ofSupplementation', Obstetrics and Gynecology Internationalhttp://dx.doi.org/10.1155/2012/485179. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)

Reuben Thomas, Alan E. Hubbard, Cliona M. McHale, Luoping Zhang, Stephen M. Rappaport,Qing Lan, Nathaniel Rothman, Roel Vermeulen, Kathryn Z. Guyton, Jennifer Jinot, BabasahebR. Sonawane, Martyn T. Smith 2014, 'Characterization of Changes in Gene Expression and Biochemical Pathways at Low Levelsof Benzene Exposure', PLoS ONE10.1371/journal.pone.0091828. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)