1. L. E. Helseth and T. M. Fischer, Phys. Rev. Lett. 68, 042601 (2003).
2. J. Xu, J. Xia, S. W. Hong, Z. Lin, Q. Qiu, and Y. Yang, Phys. Rev. Lett. 96, 066104 (2006).
3. S. S. Abramchuk, A. R. Khokhlov, T. Iwataki, H. Oana, and K. Yoshikawa, Europhys. Lett. 55, 294 (2001).
4. L. V. Savina, Crystalloscopic Structures of Blood Serum of Healthy People and Patients (Sov. Kuban’, Krasnodar, 1999) [in Russian].
5. V. N. Shabalin and S. N. Shatokhina, Morphology of Human Biological Liquids (Khrizostom, Moscow, 2001) [in Russian].