Safari Z, Safaralizadeh R, Seyedzadeh MH, Valinezad Orang A, Zare A, Hosseinpour Feizi MA, Kardar GA. The Induction of Metformin Inhibitory Effects on Tumor Cell Growth in Hypoxic Condition. Iran J Allergy Asthma Immunol. 2015;14(6):605-614.