Microhemocirculation in acute general cooling against the background of cryopreserved placental extract administration - A. K. Cheremskoj; I. V. Sleta; D. G. Lutsenko; O. S. Prokopjuk; V. V. Chizhevskij; N. G. Grishchenko (Problems of cryobiology and cryomedicine, 2005)