Greenstein JL, Wu R, Po S, Tomaselli GF, Winslow RL. (2000). Role of the calcium-independent transient outward current I(to1) in shaping action potential morphology and duration. Circulation research. 87 [PubMed]
Patel SP, Campbell DL. (2005). Transient outward potassium current, 'Ito', phenotypes in the mammalian left ventricle: underlying molecular, cellular and biophysical mechanisms. The Journal of physiology. 569 [PubMed]