Opinion Published on 08 May 2020 Gravity Deprivation: Is It Ethical for Optimal Physiology? in Environmental, Aviation and Space Physiology Jack J. W. A. van LoonPatrick CrasWillem H. A. C. M. BouwensWillemijn RoozendaalJoan Vernikos Frontiers in Physiology doi 10.3389/fphys.2020.00470 6,966 views 14 citations