Інститут Проблем Кріобіології І Кріомедицини Ан України
Институт проблем криобиологии и криомедицины АН Украины
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A method for human sperm conservation provides for two-stage freezing in the presence of glycerin. In order to increase capacity for survival of spermatic fluid the freezing at first stage is carried out with rate of 0.5-1 degree/min. up to 4-5°C and it is kept at this temperature for 30-60min., at second stage with rate of 20-25 degree/min. up to temperature of from -180 to -190°C.
UA3456575A1982-06-181982-06-18Method for human sperm conservation
UA13689A1
(en)
Studies on the physiology of the hibernating hedgehog. 17. The blood cell count of the hedgehog at different times of the year and in different phases of the hibernating cycle