1. Ardenkjaer-Larsen, J.H., Fridlund, B., Gram, A., Hanssonn, G., Hansson, L., Lerche, M.H., Servin, R., Thaning, M., Golman, K.: Increase in signal-to-noise ratio of > 10,000 times in liquid-state NMR. Proc. Natl. Acad. Sci. U. S. A. 100(1), 10158–10163 (2005)
2. Ardenkjaer-Larsen, J.H., Leach, A.M., Clarke, N., Urbahn, J., Anderson, D., Skloss, T.W.: Dynamic nuclear polarization polarizer for sterile use intent. NMR Biomed. 24(1), 927–932 (2011)
3. Azar, A.T., Balas, V.E., Olariu, T.: Classification of EEG-based brain-computer interfaces. Advanc. Intell. Comput. Technol. Decis. Support Syst. Studies Comput. Intell. 486(2014), 97–106 (2014)
4. Barber, D.C., Brown, B.H.: Imaging spatial distributions of resistivity using applied potential tomography. Electronics Lett. 19(22), 933–935 (1983)
5. Bechtereva, N.P., Abdullaev, Y.G.: Depth electrodes in clinical neurophysiology: neuronal activity and human cognitive function. Int. J. Psychophysiol. 37(1), 11–29 (2000)