Carneiro, C. M., Merzlyak, P. G., Yuldasheva, L. N., Silva, L. G., Thinnes, F. P., & Krasilnikov, O. V. (2003). Probing the volume changes during voltage gating of Porin 31BM channel with nonelectrolyte polymers. Biochimica et Biophysica Acta-Biomembranes, 1612(2), 144-153. doi:10.1016/S0005-2736(03)00113-5.