@misc{indiciaec373fe7af139, title = {Exploring Endothelial Function Risk Factors and Optic Disc Edema Changes During Strict 6ยบ Head-Down Tilt Bed Rest}, author = {S R Zwart and B Macias and M M Melin and E Bershad and S M Smith}, url = {https://ntrs.nasa.gov/citations/20210022736}, note = {Source identifier: 20210022736} }