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Joint U.S./U.S.S.R. study comparison of effects of horizontal and head-down bed rest

Sandler, Harold, 1929-
Washington, D.C. : National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division ; [Springfield, Va. : For sale by the National Technical Information Service], 1990. 1990

Long duration head down tilt bed rest and spaceflight effects on neurocognitive performance : extent

Seidler, R. D., author.
[Washington, D.C.] : [National Aeronautics and Space Administration], [January 2017]. 2017-

NASA's standard measures during bed rest : adaptations in the cardiovascular system

Lee, Stuart M. C., author.
[Washington, D.C.] : [National Aeronautics and Space Administration], [February 2016]. 2016-