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  • Title: [Analysis and improvement consideration of the current human experimental models of humoral regulation in microgravity].
    Author: Wang DS, Ren W, Xiang QL, Sun L.
    Journal: Space Med Med Eng (Beijing); 2000 Jun; 13(3):226-30. PubMed ID: 11543486.
    Abstract:
    The main differences between physiological effects of microgravity in spaceflight and simulated microgravity on humans appeared in the circulation of the low pressure side, in humoral and electrolyte metabolism. For a further understanding of the physiological effects of microgravity, some improvement of the current human experimental models are needed. It is possible to choose more adequate models closer to the situation in microgravity through measuring cardiovascular parameters, fluid regulation and renal excretion variables under head-up tilt (HUT) plus lower body positive pressure condition, or under head-down tilt (HDT) plus upper body negative pressure in various angles and pressure levels.
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