title: OBSERVATION OF THE ELEVATOR ILLUSION DURING SUBGRAVITY PRECEDED BY NEGATIVE ACCELERATIONS. REP SAM-TDR-62-141 AND PROJ MR005. 13-6001, SUBTASK 1, REP 83.
mesh_terms: D000054:Acceleration; D035843:Biomedical Research; D004607:Elevators and Escalators; D007088:Illusions; D008866:Microsurgery; D014893:Weightlessness
keywords: ACCELERATION; CLINICAL RESEARCH; ILLUSIONS; WEIGHTLESSNESS