X.-M. Xia, B. Fakler, A. Rivard, G. Wayman, T. Johnson-Pais, J. E. Keen, T. Ishii, B. Hirschberg, C. T. Bond, S. Lutsenko, J. Maylie, J. P. Adelman,
Mechanism of calcium gating in small-conductance calcium-activated potassium channels Nature. ,vol. 395, pp. 503- 507 ,(1998) ,
10.1038/26758