Ostankov, M.V., Lebedinets, D.B., Porozhan, E.A. and Goltsev, A.N. 2009. Effect of Cryopreservation Factors on Cytomorphologic and Structural Characteristics of Fetal Nerve Cells. Problems of Cryobiology and Cryomedicine. 19, 4 (Dec. 2009), 431–437.