S Eyal, Easterling, TR , Carr, D, Umans, JG , Miodovnik, M, Hankins, JDV , Clark, SM , Risler, L, Wang, J, Kelly, EJ , Shen, DD , and Hebert, MF . 2010. “Pharmacokinetics Of Metformin During Pregnancy.”. Drug Metab Dispos, 38, Pp. 833-40.